Zucchini Gratin

By HeatherS

Ingredients

• 6 tablespoons (3/4 stick) unsalted butter, plus extra for topping
• 1 pound yellow onions, cut in half and sliced (3 large)
• 2 pounds zucchini, sliced 1/4 inch thick (4 zucchini)
• 2 teaspoons kosher salt
• 1 teaspoon freshly ground black pepper
• 1/4 teaspoon ground nutmeg
• 2 tablespoons all-purpose flour
• 1 cup hot milk
• 3/4 cup fresh bread crumbs

Details

Servings 6
Preparation time 10mins
Cooking time 50mins

Preparation

Step 1

Preheat the oven to 400 degrees.

Melt the butter in a very large (12-inch) saute pan and cook the )pions over low heat for 20 minutes, or until tender but not browned. Add the zucchini and cook, covered, for 10 minutes, ) until tender. Add the salt, pepper, and nutmeg and cook uncovered for 5 more minutes. Stir in the flour. Add the hot milk and cook over low heat for a few minutes, until it makes a sauce. 'our the mixture into an 8 X 10-inch baking dish.
combine the bread crumbs and Gruyere and sprinkle on top of he zucchini mixture. Dot with 1 tablespoon of butter cut into mall bits and bake for 20 minutes, or until bubbly and browned.