Spinach Gratin

A rich and creamy spinach gratin baked with a golden cheese crust, making it the perfect comforting and flavorful side dish. This dish combines tender spinach with a velvety cream sauce and a crispy cheese topping, making it an excellent addition to any meal, whether for a casual dinner or a festive gathering.

Why You’ll Love This Recipe

• Creamy and indulgent – The combination of milk, cream, and cheese creates a luscious texture.
• Golden cheesy crust – A layer of Gruyère or cheddar adds a crispy, savory finish.
• Easy to prepare – Simple ingredients and straightforward steps make this recipe accessible.
• Versatile side dish – Pairs beautifully with roasted meats, poultry, or vegetarian mains.
• Perfect for gatherings – A great option for holidays, dinner parties, or potlucks.

Ingredients

(Tip: You can find the complete list of ingredients and their measurements in the recipe card below.)

• 2 tablespoons unsalted butter
• 1 small onion, finely chopped
• 3 cloves garlic, minced
• 2 tablespoons all-purpose flour
• 1 cup whole milk
• 1/2 cup heavy cream
• 1/4 teaspoon ground nutmeg
• Salt and pepper to taste
• 16 oz frozen spinach, thawed and drained (or 10 oz fresh spinach, sautéed)
• 1/2 cup grated Parmesan cheese
• 1/2 cup shredded Gruyère or cheddar cheese

Directions

1. Preheat oven to 375°F (190°C) and grease a baking dish.
2. In a skillet, melt butter over medium heat. Add the chopped onion and cook until softened.
3. Stir in garlic and flour, cooking for about 1 minute to remove the raw flour taste.
4. Slowly whisk in milk and heavy cream, stirring continuously until the mixture thickens.
5. Add nutmeg, salt, and pepper, then stir in the spinach until well combined.
6. Remove from heat and mix in Parmesan cheese.
7. Transfer the mixture to the prepared baking dish, sprinkle shredded Gruyère or cheddar on top, and bake for 20-25 minutes or until bubbly and golden brown.
8. Let cool slightly before serving.

Servings and Timing

• Prep Time: 15 minutes
• Cooking Time: 25 minutes
• Total Time: 40 minutes
• Servings: 6
• Calories: 250 kcal per serving

Variations

• Try different cheeses – Swap Gruyère for Swiss, Fontina, or even mozzarella for a unique twist.
• Add a crunchy topping – Mix breadcrumbs with melted butter and sprinkle over the cheese before baking for extra texture.
• Make it spicier – Add a pinch of cayenne pepper or red pepper flakes for a bit of heat.
• Incorporate protein – Stir in cooked bacon, pancetta, or shredded chicken for a heartier dish.
• Use fresh herbs – Mix in chopped thyme or parsley for added freshness.

Storage/Reheating

• Refrigeration: Store leftovers in an airtight container in the refrigerator for up to 3 days.
• Freezing: Freeze in a sealed container for up to 2 months. Thaw overnight in the refrigerator before reheating.
• Reheating: Warm in a 350°F (175°C) oven for about 10 minutes, or microwave in short intervals until heated through.

FAQs

Can I use fresh spinach instead of frozen?

Yes, use about 10 ounces of fresh spinach. Sauté it first to remove excess moisture before adding it to the sauce.

How do I keep the gratin from being watery?

Ensure the spinach is well-drained before adding it to the sauce. Press frozen spinach with paper towels to remove extra moisture.

Can I make this dish ahead of time?

Yes, you can assemble the gratin ahead of time and refrigerate it before baking. Bake just before serving for the best results.

What can I serve with spinach gratin?

It pairs well with roasted meats, grilled chicken, seafood, or even as a side for pasta dishes.

Can I use half-and-half instead of heavy cream?

Yes, but the gratin may be slightly less rich. You can also use all whole milk for a lighter version.

How do I make this gluten-free?

Replace the all-purpose flour with cornstarch or a gluten-free flour blend to thicken the sauce.

Can I add mushrooms to this recipe?

Yes, sautéed mushrooms add a great earthy flavor to the dish.

How can I make it healthier?

Use low-fat milk and reduce the cheese or substitute it with a lighter cheese option.

Can I cook this entirely on the stovetop?

Yes, you can skip the baking step and serve it as a creamy spinach dish directly from the skillet.

What other spices can I add for extra flavor?

Try adding garlic powder, smoked paprika, or a touch of Dijon mustard for more depth of flavor.

Conclusion

Spinach gratin is a creamy, cheesy, and satisfying side dish that is easy to prepare and perfect for any occasion. Whether served alongside a holiday feast or a simple weeknight dinner, this gratin is sure to impress. Experiment with different variations and enjoy a comforting dish that everyone will love.