Spinach Gratin

By Bostoncook

Barefoot Contessa

Ingredients

• 4 tablespoons unsalted butter
• 4 cups chopped yellow onions (2 large)
• 1/4 cup flour
• 1/4 teaspoon grated nutmeg
• 1 cup heavy cream
• 2 cups milk
• 3 pounds frozen chopped spinach, defrosted (5 10-ounce packages)
• 1 cup Parmesan cheese
• 1 tablespoon kosher salt
• 1/2 teaspoon freshly ground black pepper
• 1/2 cup gruyere cheese, grated

Preparation

Step 1

1. Preheat the oven to 425 degrees F.

2. Melt the butter in a heavy-bottomed saute pan on medium heat. Add the onions and saute until translucent, about 15 minutes.

3. Add the flour and nutmeg and cook, stirring, for 2 more minutes. Add the cream and milk and cook until thickened.

4. Squeeze as much liquid as possible from the spinach and add the spinach to thesauce. Add 1/2 cup of the Parmesan cheese and mix well. Season to taste with salt and pepper.Transfer the spinach to a baking dish and sprinkle the remaining 1/2 cup Parmesan and Gruyere on top.

5. Bake 20 minutes until hot and bubbly. Serve hot.

Notes: Good but very heavy and rich - worth trying to lighten and tinker with