Let’s be honest, “spinach” and “excitement” don’t always go hand-in-hand, especially when you’re trying to convince a family, particularly the younger members, that it’s going to be the highlight of dinner. For years, spinach in our house was met with… let’s just say, less than enthusiastic responses. Steamed spinach? Polite nibbles. Spinach salad? Strategically pushed to the side. But then, I stumbled upon Spinach Gratin. And everything changed. This wasn’t just spinach; this was spinach transformed. Creamy, cheesy, bubbling hot, and utterly irresistible, Spinach Gratin became the dish that converted even the staunchest veggie skeptics in my family into spinach devotees. The rich, velvety sauce blankets tender spinach, creating a comforting warmth that’s perfect for chilly evenings or as an elegant side for special occasions. The golden, bubbly cheese crust adds a delightful textural contrast and a hint of nutty flavor that elevates the humble spinach to gourmet status. Honestly, the first time I made it, the silence at the dinner table was deafening – broken only by the happy sounds of forks scraping against baking dishes. It vanished in minutes, and requests for “that spinach dish” have been a regular occurrence ever since. If you’re looking for a way to make spinach not just palatable but truly crave-worthy, or simply want a show-stopping side dish that’s surprisingly easy to prepare, then look no further. This Spinach Gratin recipe is your answer. Get ready to experience spinach in a whole new, utterly delicious light!
Ingredients: The Key Components for a Creamy and Dreamy Spinach Gratin
The magic of Spinach Gratin lies in the harmonious blend of simple yet high-quality ingredients. Each element contributes to the dish’s creamy texture, rich flavor, and satisfying comfort. Here’s a detailed list of what you’ll need to create your own delectable Spinach Gratin:
- Fresh Spinach: 2 pounds, baby spinach or mature spinach, thoroughly washed and dried. Fresh spinach is the star of the show, providing the earthy base for our gratin. Baby spinach is tender and requires minimal prep, while mature spinach offers a more robust flavor – both work beautifully. Ensure the spinach is thoroughly washed to remove any grit and completely dried. Excess moisture will make the gratin watery. You can use frozen spinach in a pinch (see ingredient notes below), but fresh spinach offers a superior texture and flavor.
- Heavy Cream: 1 ½ cups. Heavy cream is the foundation of the rich and velvety sauce that defines Spinach Gratin. It provides the luxurious creaminess and richness that coats the spinach perfectly. For a truly decadent gratin, heavy cream is essential. You can experiment with half-and-half or milk for a lighter version (see ingredient notes), but heavy cream provides the classic texture and flavor.
- Gruyère Cheese: 1 ½ cups, grated. Gruyère cheese is the quintessential cheese for a classic Spinach Gratin. It melts beautifully, creating a smooth and nutty flavor with a slightly sweet and earthy undertone. Gruyère provides a complex and sophisticated cheese flavor that elevates the dish. It also browns beautifully under heat, creating a gorgeous golden crust.
- Parmesan Cheese: ½ cup, grated, plus extra for topping. Parmesan cheese adds a salty, savory, and umami-rich depth to the gratin. It complements the Gruyère perfectly, adding another layer of cheesy complexity. Use freshly grated Parmesan for the best flavor and melting quality. We use it both within the gratin mixture and as a final topping for extra browning and flavor.
- Yellow Onion: 1 medium, finely chopped. Yellow onion forms the aromatic base of the gratin, providing a subtle sweetness and savory depth. Finely chopping the onion ensures it cooks through evenly and blends seamlessly into the creamy sauce.
- Garlic: 3-4 cloves, minced. Garlic adds a pungent and aromatic kick that enhances the savory flavors of the spinach and cheese. Freshly minced garlic is always best for the most intense and vibrant flavor.
- Butter: 4 tablespoons, unsalted butter. Butter is used to sauté the onion and garlic, building flavor from the very beginning. It also adds richness to the sauce. Unsalted butter allows you to control the salt level of the dish.
- All-Purpose Flour: 2 tablespoons. All-purpose flour acts as a thickening agent for the creamy sauce. It helps to create a smooth and stable sauce that coats the spinach effectively.
- Nutmeg: ¼ teaspoon, freshly grated if possible. Nutmeg adds a warm, subtly sweet, and slightly spicy aromatic note that is a classic pairing with spinach and creamy sauces. Freshly grated nutmeg offers a more intense and nuanced flavor than pre-ground nutmeg.
- Salt: To taste. Salt is crucial for enhancing the flavors of all the ingredients. Season generously but gradually, tasting as you go.
- Black Pepper: Freshly ground, to taste. Freshly ground black pepper adds a pungent and aromatic bite that complements the savory flavors of the gratin.
Ingredient Notes and Substitutions for Flexibility:
- Spinach Options: While fresh spinach is highly recommended, you can use frozen spinach in a pinch. Thaw frozen spinach completely, squeeze out as much excess water as possible, and chop it before using. Frozen spinach will have a slightly softer texture than fresh spinach.
- Cheese Variations: If Gruyère is unavailable, you can substitute with other melting cheeses like Swiss cheese, Fontina, or Comté. For a sharper flavor, consider adding a touch of sharp cheddar or provolone. A blend of cheeses can also be used for a more complex flavor profile. For a vegetarian version, ensure the cheeses used are rennet-free.
- Dairy Alternatives (for Lighter or Dairy-Free Options): For a lighter version, you can substitute some of the heavy cream with half-and-half or whole milk, but the texture will be less rich and creamy. For a dairy-free option, you can experiment with full-fat coconut milk or cashew cream, but be aware that these may slightly alter the flavor. Nutritional yeast can be added for a cheesy, umami flavor in dairy-free versions.
- Spice Level: Adjust the amount of nutmeg to your liking. Some people prefer a more pronounced nutmeg flavor, while others prefer a subtler hint. You can also add a pinch of red pepper flakes for a touch of heat, if desired.
- Breadcrumbs (Optional Topping): For an extra crispy topping, you can sprinkle panko breadcrumbs or regular breadcrumbs over the cheese before baking. Toss the breadcrumbs with a little melted butter and Parmesan cheese for added flavor and browning.
Instructions: Crafting Your Perfect Spinach Gratin – Step-by-Step Guide
Creating a delicious Spinach Gratin at home is a straightforward process that involves sautéing, sauce-making, and baking to golden perfection. Follow these step-by-step instructions to guide you to gratin glory:
- Prepare the Spinach: If using fresh spinach, ensure it is thoroughly washed and dried. If using mature spinach with large stems, remove the tough stems. Roughly chop the spinach if using mature spinach; baby spinach can be left whole or roughly chopped if desired. Set aside.
- Sauté Onion and Garlic: Melt butter in a large skillet or Dutch oven over medium heat. Add the finely chopped onion and sauté for 5-7 minutes, until softened and translucent. Then, add the minced garlic and cook for another minute, until fragrant. Be careful not to burn the garlic. Sautéing the onion and garlic in butter builds a flavorful base for the gratin.
- Make the Cream Sauce: Sprinkle the all-purpose flour over the sautéed onions and garlic in the skillet. Cook for 1 minute, stirring constantly, to create a roux. This helps thicken the sauce. Gradually whisk in the heavy cream, ensuring there are no lumps. Continue whisking and cooking over medium heat until the sauce thickens slightly and is smooth, about 3-5 minutes. Season the sauce with salt, black pepper, and freshly grated nutmeg. Taste and adjust seasoning as needed.
- Wilt the Spinach: Add the fresh spinach to the skillet with the cream sauce in batches. Stir and toss the spinach until it wilts down and is incorporated into the sauce. This may take a few minutes, as spinach wilts down significantly. If using frozen spinach, add it to the sauce after thawing and squeezing out excess moisture.
- Stir in Cheese (Most of It): Remove the skillet from the heat. Stir in the grated Gruyère cheese and grated Parmesan cheese (reserving some Parmesan for topping), until the cheeses are melted and evenly incorporated into the spinach mixture. The cheese will melt into the hot spinach mixture, creating a rich and cheesy base.
- Transfer to Baking Dish: Pour the spinach and cheese mixture into a greased 9×13 inch baking dish or oven-safe gratin dish. Spread the mixture evenly in the dish.
- Top with Remaining Cheese: Sprinkle the reserved grated Parmesan cheese evenly over the top of the spinach mixture in the baking dish. This creates a cheesy crust on top of the gratin. If using breadcrumbs, sprinkle breadcrumbs over the cheese at this stage.
- Bake Until Golden and Bubbly: Bake in the preheated oven at 375°F (190°C) for 20-25 minutes, or until the gratin is heated through, bubbly around the edges, and the cheese topping is melted and golden brown. The baking time may vary slightly depending on your oven and baking dish. The gratin is ready when it’s heated through, bubbly, and the cheese topping is nicely browned and melted.
- Let Rest and Serve: Remove the Spinach Gratin from the oven and let it rest for a few minutes before serving. Resting allows the gratin to set slightly and cool down enough to be enjoyed comfortably. Serve hot as a side dish.
Tips for Perfect Instructions:
- Dry Spinach is Key: Ensure spinach is completely dry after washing to prevent a watery gratin.
- Don’t Burn Garlic: Be careful not to burn the garlic when sautéing. Burnt garlic will taste bitter.
- Smooth Sauce: Whisk the cream sauce constantly to ensure it’s smooth and lump-free.
- Wilt Spinach Evenly: Ensure spinach is evenly wilted and incorporated into the sauce.
- Don’t Overbake: Bake until golden and bubbly, but avoid overbaking, which can dry out the gratin.
- Rest Before Serving: Let the gratin rest for a few minutes after baking to allow it to set slightly and cool down a bit.
Nutrition Facts: A Creamy Indulgence with Nutritional Benefits – Overview
Spinach Gratin is a rich and creamy dish, offering both indulgence and some nutritional benefits from the spinach. Here’s a general estimate of the nutrition facts per serving. Please note that these are approximations and can vary depending on specific ingredient brands, portion sizes, and preparation methods.
- Servings: This recipe typically yields 8-10 servings as a side dish. Nutrition facts are estimated per serving (assuming 8 servings).
- Calories per Serving (estimated, per serving of 8): Approximately 350-450 calories. Spinach Gratin is moderately calorie-dense, primarily due to heavy cream and cheese.
- Fat: Approximately 25-35 grams of fat per serving. The fat content comes primarily from heavy cream, butter, and cheese. A significant portion of this fat is saturated fat.
- Protein: Approximately 10-15 grams of protein per serving. Cheese, milk, and spinach contribute to the protein content.
- Carbohydrates: Approximately 10-15 grams of carbohydrates per serving. Carbohydrates come from flour, milk, and vegetables.
- Fiber: Approximately 3-5 grams of fiber per serving. Spinach is a good source of dietary fiber.
- Sodium: Varies depending on cheese and added salt. Cheese and added salt contribute to sodium levels.
- Vitamins and Minerals:
- Vitamin K: Spinach is an excellent source of Vitamin K, important for blood clotting and bone health.
- Vitamin A: Spinach is also a good source of Vitamin A, important for vision and immune function.
- Vitamin C: Spinach contains Vitamin C, an antioxidant.
- Calcium: Cheese and milk are good sources of calcium, important for bone health.
- Iron: Spinach contains iron, although it is non-heme iron, which is less readily absorbed than heme iron from animal sources.
Nutritional Considerations:
- Rich in Saturated Fat: Spinach Gratin is high in saturated fat due to the heavy cream, butter, and cheese. Individuals watching their saturated fat intake should consume it in moderation.
- Moderate Calories: It is a moderately calorie-dense side dish, so portion control is important, especially if you are managing your weight.
- Good Source of Vitamins and Minerals (from Spinach): Spinach contributes valuable vitamins and minerals, particularly Vitamin K and Vitamin A.
- Calcium and Protein: Cheese and milk provide calcium and protein.
- Indulgent Side Dish: Spinach Gratin is best viewed as an occasional indulgent side dish rather than an everyday vegetable serving due to its richness.
Making it Lighter (Possible Modifications, will alter classic gratin):
- Reduce Heavy Cream: Substitute some of the heavy cream with half-and-half or whole milk to reduce fat and calories, but the texture will be less rich.
- Lower Fat Cheese: Use part-skim Gruyère or other lower-fat cheese options, but flavor and melting properties may be affected.
- Increase Spinach, Reduce Sauce: Increase the amount of spinach and slightly reduce the amount of cream sauce to increase the vegetable-to-sauce ratio.
Nutritional Disclaimer: These nutrition facts are estimates. For precise nutritional information, use online recipe analyzers or nutrition tracking apps, inputting the specific brands and quantities of ingredients you use and your chosen preparation methods.
Preparation Time: Efficient Elegance – Time Breakdown for Spinach Gratin
Spinach Gratin is a side dish that balances elegant flavor with relatively efficient preparation, making it suitable for both weeknight dinners and special occasions. Here’s a breakdown of the preparation and cooking times:
- Prep Time: Approximately 20-25 minutes. This includes:
- Washing and drying spinach (5-10 minutes)
- Chopping onion and mincing garlic (5 minutes)
- Grating cheese (5 minutes)
- Measuring out other ingredients (5 minutes)
- Cook Time: Approximately 30-35 minutes. This includes:
- Sautéing onion and garlic (5-7 minutes)
- Making cream sauce (5-7 minutes)
- Wilting spinach (5-7 minutes)
- Baking gratin (20-25 minutes)
- Total Time: Approximately 50-60 minutes from start to finish. In about an hour, you can have a delicious and impressive Spinach Gratin ready to serve.
Time-Saving Tips (to streamline the process):
- Pre-Washed Spinach: Use pre-washed baby spinach to save time on washing and drying.
- Food Processor for Onion: Use a food processor to quickly chop the onion if you have one.
- Pre-Grated Cheese: Purchase pre-grated Gruyère and Parmesan cheese to save grating time, although freshly grated cheese often has better flavor and melting properties.
- Make Ahead Components: You can sauté the onion and garlic and make the cream sauce ahead of time (up to a day in advance) and store them separately in the refrigerator. Then, when ready to bake, simply wilt the spinach, combine everything, and bake.
How to Serve: Elevating Your Spinach Gratin – Serving Suggestions
Spinach Gratin is a versatile side dish that complements a wide range of main courses and can be served in various styles, from casual family dinners to elegant holiday feasts. Here are serving suggestions to enhance your Spinach Gratin experience:
Serving Styles:
- Classic Side Dish: The most common and versatile way to serve Spinach Gratin is as a classic side dish alongside a main course. It pairs beautifully with roasted meats, poultry, fish, or vegetarian entrees.
- Holiday Side Dish: Spinach Gratin is an elegant and impressive side dish perfect for holiday meals like Thanksgiving, Christmas, Easter, or special occasion dinners. Its creamy richness and cheesy topping make it a crowd-pleaser.
- Vegetarian Main Course Component: For vegetarians, Spinach Gratin can be a substantial and satisfying component of a vegetarian meal. Serve it alongside other vegetarian sides like roasted vegetables, a grain dish, or a hearty salad.
- Potluck or Buffet Dish: Spinach Gratin is easy to transport and serve at potlucks, buffets, or gatherings. It holds its temperature well and is always a popular choice.
- Individual Gratins: For a more elegant presentation, you can bake the Spinach Gratin in individual ramekins or small gratin dishes instead of a large baking dish. This creates individual servings that are visually appealing.
Main Course Pairings (Complimentary Flavors):
- Roasted Chicken or Turkey: Spinach Gratin is a classic pairing with roasted chicken or turkey, especially for holiday meals.
- Beef Tenderloin or Steak: The richness of Spinach Gratin complements the savory flavor of beef tenderloin or steak.
- Pork Loin or Chops: Spinach Gratin pairs well with roasted pork loin or pork chops, adding a creamy vegetable side to balance the meat.
- Salmon or White Fish: The creamy texture of Spinach Gratin is a nice contrast to flaky baked or pan-seared salmon or white fish.
- Lamb Roast or Chops: For a more elegant pairing, serve Spinach Gratin with roasted lamb or lamb chops.
- Vegetarian Entrees: Serve alongside vegetarian main courses like lentil loaf, stuffed bell peppers, vegetarian wellington, or mushroom risotto.
Garnish Ideas (Enhance Presentation):
- Fresh Parsley or Chives: Sprinkle chopped fresh parsley or chives over the finished gratin for a pop of green color and fresh herbaceousness.
- Nutmeg Dusting: A light dusting of freshly grated nutmeg over the top can enhance the aroma and flavor.
- Lemon Wedges: Serve with lemon wedges on the side, allowing guests to add a squeeze of fresh lemon juice to brighten the richness.
- Crispy Fried Onions: For added texture and flavor, sprinkle crispy fried onions over the gratin before serving.
- Toasted Pine Nuts or Almonds: Toasted pine nuts or slivered almonds add a nutty crunch and visual appeal.
- Red Pepper Flakes (Optional): A sprinkle of red pepper flakes can add a touch of heat for those who like a little spice.
Serving Accompaniments:
- Crusty Bread: Serve with crusty bread or baguette slices for dipping into the creamy sauce and scooping up the spinach.
- Salad: A simple green salad or a light vinaigrette salad can provide a refreshing contrast to the richness of the gratin.
- Wine Pairing: For a wine pairing, consider a crisp white wine like Chardonnay, Pinot Grigio, or Sauvignon Blanc, which can cut through the richness of the gratin.
Presentation Matters: Serve Spinach Gratin in an attractive baking dish or gratin dish. Garnish thoughtfully to enhance its visual appeal and make it look even more enticing.
Additional Tips for Spinach Gratin Excellence: Baking Wisdom
Want to consistently create Spinach Gratin that is creamy, flavorful, and perfectly baked every time? Here are five additional tips to elevate your gratin game:
- Don’t Skip Sautéing the Aromatics: Sautéing the onion and garlic in butter is a crucial step for building flavor in Spinach Gratin. Don’t rush this process. Allow the onion to soften and become translucent before adding the garlic, and cook the garlic until fragrant but not browned. This aromatic base will infuse the entire gratin with depth of flavor.
- Freshly Grate Your Cheese – It Matters: While pre-grated cheese is convenient, freshly grated cheese melts much smoother and has superior flavor compared to pre-grated cheese, which often contains cellulose to prevent clumping. For the best melting and flavor in your Spinach Gratin, take the extra few minutes to grate your Gruyère and Parmesan cheese yourself.
- Season Generously, Taste as You Go: Seasoning is paramount in any dish, and Spinach Gratin is no exception. Season the sauce generously with salt, black pepper, and nutmeg. Taste the sauce before adding the spinach and cheese, and adjust the seasoning as needed. Taste again after adding the spinach and cheese, and adjust seasoning one last time before baking. Proper seasoning is key to bringing out the best flavors of all the ingredients.
- Don’t Overcrowd the Baking Dish: Use a baking dish that is appropriately sized for the recipe. Overcrowding the baking dish can lead to the gratin steaming instead of baking and browning properly. A 9×13 inch baking dish is generally ideal for this recipe. If you double the recipe, use a larger baking dish or divide it between two dishes.
- Control Moisture – Dry Spinach is Key: Excess moisture is the enemy of a creamy, well-textured gratin. Ensure your spinach is thoroughly dried after washing. If using frozen spinach, make sure to thaw it completely and squeeze out as much excess water as possible. Excess water will make the gratin watery and dilute the flavor of the sauce.
Bonus Tip: For an even richer and more decadent Spinach Gratin, you can add a layer of crème fraîche or sour cream to the sauce along with the heavy cream. About ½ cup of crème fraîche or sour cream added to the sauce will enhance the creaminess and add a subtle tang.
FAQ: Your Spinach Gratin Questions Answered – Gratin Insights
Got questions about making the perfect Spinach Gratin? Here are answers to some frequently asked questions to help you troubleshoot and achieve gratin success:
Q1: Can I make Spinach Gratin ahead of time? How should I store it?
A1: Yes, you can prepare Spinach Gratin ahead of time, which can be helpful for meal planning or entertaining.
- Assemble Ahead, Bake Later: You can assemble the Spinach Gratin completely (up to step 7 in the instructions) and refrigerate it, covered, for up to 24 hours before baking. When ready to bake, preheat the oven and bake as directed, adding a few extra minutes to the baking time if starting from cold.
- Bake and Reheat: You can also bake the Spinach Gratin completely, let it cool, and then refrigerate it, covered, for up to 2-3 days. To reheat, bake in a preheated oven at 350°F (175°C) until heated through and bubbly, about 15-20 minutes. You can also reheat individual portions in the microwave.
Q2: Can I freeze Spinach Gratin?
A2: While Spinach Gratin can be frozen, the texture may change slightly upon thawing and reheating. Dairy-based sauces can sometimes separate or become slightly grainy after freezing and thawing. However, it is still possible to freeze it if desired.
- Freeze Baked Gratin: Bake the gratin completely, let it cool thoroughly, and then freeze it, tightly wrapped in freezer-safe plastic wrap and foil, for up to 2-3 months.
- Thaw and Reheat: Thaw frozen Spinach Gratin overnight in the refrigerator. Reheat in a preheated oven at 350°F (175°C) until heated through and bubbly, about 20-30 minutes.
Q3: Can I use different vegetables in this gratin recipe?
A3: Yes, you can adapt this gratin recipe with other vegetables!
- Broccoli Gratin: Substitute broccoli florets for spinach. Blanch the broccoli florets briefly before adding them to the sauce.
- Cauliflower Gratin: Substitute cauliflower florets for spinach. Blanch the cauliflower florets briefly before adding them to the sauce.
- Mushroom Gratin: Sauté sliced mushrooms with the onions and garlic, then proceed with the recipe, omitting the spinach or using a combination of spinach and mushrooms.
- Asparagus Gratin: Use blanched asparagus spears instead of spinach.
Adjust cooking times as needed based on the vegetable you choose. Root vegetables like potatoes or butternut squash would require longer cooking times or pre-cooking before adding to the gratin.
Q4: Can I make this Spinach Gratin lighter or healthier?
A4: Yes, there are ways to make Spinach Gratin lighter, although it will slightly alter the classic richness and creaminess.
- Reduce Heavy Cream: Substitute some of the heavy cream with half-and-half or whole milk.
- Lower Fat Cheese: Use part-skim Gruyère or other lower-fat cheese options.
- Increase Spinach, Reduce Sauce: Increase the amount of spinach and slightly reduce the amount of cream sauce.
- Olive Oil Instead of Butter (for Sautéing): Use olive oil instead of butter for sautéing the onion and garlic, though butter contributes to the classic flavor.
- Add More Vegetables: Incorporate other vegetables like mushrooms, leeks, or bell peppers to increase the vegetable content and nutritional value.
Q5: What can I serve with Spinach Gratin to make it a complete meal?
A5: While Spinach Gratin is often served as a side dish, you can easily make it part of a more complete meal.
- Protein Main Course: Serve alongside a lean protein main course like grilled chicken breast, baked salmon, or a vegetarian protein source like lentils or tofu.
- Grain Side Dish: Pair with a whole grain side dish like quinoa, brown rice, or couscous to add carbohydrates and fiber for a balanced meal.
- Hearty Salad: Serve with a substantial salad as a lighter main course option. Add protein to the salad (grilled chicken, chickpeas, beans, or tofu) to make it a more filling meal.
- Soup and Gratin: Combine Spinach Gratin with a hearty soup for a comforting and satisfying meal, especially during colder months.
Still have gratin questions? Don’t hesitate to ask in the comments below! I’m happy to help you create the perfect Spinach Gratin for any occasion!
Spinach Gratin is more than just a side dish; it’s a testament to how simple ingredients, when combined with care and technique, can create something truly extraordinary. It’s a dish that brings comfort, elegance, and a touch of indulgence to any table. With this recipe and guide, you are now equipped to create your own Spinach Gratin masterpiece, impress your guests, and convert even the staunchest spinach skeptics into gratin lovers! Enjoy the creamy, cheesy, and utterly delicious experience of homemade Spinach Gratin!
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Spinach Gratin recipe
Ingredients
- Fresh Spinach: 2 pounds, baby spinach or mature spinach, thoroughly washed and dried. Fresh spinach is the star of the show, providing the earthy base for our gratin. Baby spinach is tender and requires minimal prep, while mature spinach offers a more robust flavor – both work beautifully. Ensure the spinach is thoroughly washed to remove any grit and completely dried. Excess moisture will make the gratin watery. You can use frozen spinach in a pinch (see ingredient notes below), but fresh spinach offers a superior texture and flavor.
- Heavy Cream: 1 ½ cups. Heavy cream is the foundation of the rich and velvety sauce that defines Spinach Gratin. It provides the luxurious creaminess and richness that coats the spinach perfectly. For a truly decadent gratin, heavy cream is essential. You can experiment with half-and-half or milk for a lighter version (see ingredient notes), but heavy cream provides the classic texture and flavor.
- Gruyère Cheese: 1 ½ cups, grated. Gruyère cheese is the quintessential cheese for a classic Spinach Gratin. It melts beautifully, creating a smooth and nutty flavor with a slightly sweet and earthy undertone. Gruyère provides a complex and sophisticated cheese flavor that elevates the dish. It also browns beautifully under heat, creating a gorgeous golden crust.
- Parmesan Cheese: ½ cup, grated, plus extra for topping. Parmesan cheese adds a salty, savory, and umami-rich depth to the gratin. It complements the Gruyère perfectly, adding another layer of cheesy complexity. Use freshly grated Parmesan for the best flavor and melting quality. We use it both within the gratin mixture and as a final topping for extra browning and flavor.
- Yellow Onion: 1 medium, finely chopped. Yellow onion forms the aromatic base of the gratin, providing a subtle sweetness and savory depth. Finely chopping the onion ensures it cooks through evenly and blends seamlessly into the creamy sauce.
- Garlic: 3-4 cloves, minced. Garlic adds a pungent and aromatic kick that enhances the savory flavors of the spinach and cheese. Freshly minced garlic is always best for the most intense and vibrant flavor.
- Butter: 4 tablespoons, unsalted butter. Butter is used to sauté the onion and garlic, building flavor from the very beginning. It also adds richness to the sauce. Unsalted butter allows you to control the salt level of the dish.
- All-Purpose Flour: 2 tablespoons. All-purpose flour acts as a thickening agent for the creamy sauce. It helps to create a smooth and stable sauce that coats the spinach effectively.
- Nutmeg: ¼ teaspoon, freshly grated if possible. Nutmeg adds a warm, subtly sweet, and slightly spicy aromatic note that is a classic pairing with spinach and creamy sauces. Freshly grated nutmeg offers a more intense and nuanced flavor than pre-ground nutmeg.
- Salt: To taste. Salt is crucial for enhancing the flavors of all the ingredients. Season generously but gradually, tasting as you go.
- Black Pepper: Freshly ground, to taste. Freshly ground black pepper adds a pungent and aromatic bite that complements the savory flavors of the gratin.
Instructions
- Prepare the Spinach: If using fresh spinach, ensure it is thoroughly washed and dried. If using mature spinach with large stems, remove the tough stems. Roughly chop the spinach if using mature spinach; baby spinach can be left whole or roughly chopped if desired. Set aside.
- Sauté Onion and Garlic: Melt butter in a large skillet or Dutch oven over medium heat. Add the finely chopped onion and sauté for 5-7 minutes, until softened and translucent. Then, add the minced garlic and cook for another minute, until fragrant. Be careful not to burn the garlic. Sautéing the onion and garlic in butter builds a flavorful base for the gratin.
- Make the Cream Sauce: Sprinkle the all-purpose flour over the sautéed onions and garlic in the skillet. Cook for 1 minute, stirring constantly, to create a roux. This helps thicken the sauce. Gradually whisk in the heavy cream, ensuring there are no lumps. Continue whisking and cooking over medium heat until the sauce thickens slightly and is smooth, about 3-5 minutes. Season the sauce with salt, black pepper, and freshly grated nutmeg. Taste and adjust seasoning as needed.
- Wilt the Spinach: Add the fresh spinach to the skillet with the cream sauce in batches. Stir and toss the spinach until it wilts down and is incorporated into the sauce. This may take a few minutes, as spinach wilts down significantly. If using frozen spinach, add it to the sauce after thawing and squeezing out excess moisture.
- Stir in Cheese (Most of It): Remove the skillet from the heat. Stir in the grated Gruyère cheese and grated Parmesan cheese (reserving some Parmesan for topping), until the cheeses are melted and evenly incorporated into the spinach mixture. The cheese will melt into the hot spinach mixture, creating a rich and cheesy base.
- Transfer to Baking Dish: Pour the spinach and cheese mixture into a greased 9×13 inch baking dish or oven-safe gratin dish. Spread the mixture evenly in the dish.
- Top with Remaining Cheese: Sprinkle the reserved grated Parmesan cheese evenly over the top of the spinach mixture in the baking dish. This creates a cheesy crust on top of the gratin. If using breadcrumbs, sprinkle breadcrumbs over the cheese at this stage.
- Bake Until Golden and Bubbly: Bake in the preheated oven at 375°F (190°C) for 20-25 minutes, or until the gratin is heated through, bubbly around the edges, and the cheese topping is melted and golden brown. The baking time may vary slightly depending on your oven and baking dish. The gratin is ready when it’s heated through, bubbly, and the cheese topping is nicely browned and melted.
- Let Rest and Serve: Remove the Spinach Gratin from the oven and let it rest for a few minutes before serving. Resting allows the gratin to set slightly and cool down enough to be enjoyed comfortably. Serve hot as a side dish.
Nutrition
- Serving Size: one normal portion
- Calories: 350-450
- Fat: 25-35 grams
- Carbohydrates: 10-15 grams
- Fiber: 3-5 grams
- Protein: 10-15 grams