Spinach Gratin Recipe
This simple yet indulgent Spinach Gratin features a rich, creamy texture enhanced by a subtle touch of nutmeg. Baked to perfection in the oven and crowned with gooey melted Gruyere cheese, it’s an essential dish for your festive gatherings!
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Ingredients
- 3 tbsp whipped butter
- 3 cups 2% milk
- 3 lbs frozen chopped spinach
- 3/4 cup Parmesan cheese
- 1 tbsp kosher salt
- 1/2 tsp black pepper
- 1/2 cup Gruyere cheese
- 1/4 tsp fresh grated nutmeg
- 1 cup finely chopped onion
- 1/4 cup all purpose flour
Instructions
- 1
Begin by heating your oven to 425°F (220°C).
- 2
In a sturdy saucepan, melt the butter over medium heat. Once melted, toss in the onions and cook them until they become translucent, which should take around 10 to 12 minutes.
- 3
Incorporate the flour and nutmeg into the mixture; let it cook for an additional 2 minutes, stirring occasionally to avoid sticking.
- 4
Gradually pour in the milk and continue to cook the mixture until it reaches a thick consistency, roughly 5 to 7 minutes.
- 5
Remove excess moisture from the spinach by squeezing it firmly, then fold the spinach into the creamy sauce.
- 6
Stir in half a cup of Parmesan cheese and blend thoroughly. Adjust the seasoning with salt and pepper to your liking.
- 7
Pour the spinach mixture into a large baking dish, then top with the remaining quarter cup of Parmesan and Swiss cheese. Bake for 20 minutes or until the dish is hot and bubbling. Serve while hot.
Nutrition Information
Notes & Tips
- Adapted from Ina Garten