Name: Spinach and Cheese Strata
Prep time: 8 hours 45 minutes
Cook time: 35 minutes
Yield: 6 servings
Ingredients: 1 1/4 cups whole milk; 5 large eggs; 1 teaspoon Dijon mustard; 1/4 teaspoon ground nutmeg; Kosher salt and freshly ground black pepper, to taste; 3 tablespoons unsalted butter; 3 cloves garlic, minced; 1/2 cup sliced green onions; 1 (12-ounce) package frozen chopped spinach, thawed and squeezed dry; 6 cups (1-inch) cubed challah bread; 3/4 cup shredded Swiss cheese, divided; 3/4 cup shredded Gruyere cheese, divided; 1/4 cup freshly grated Parmesan cheese, divided