gather your ingredientscasserole1 loaf (16-ounce) torn into 1-inch pieces 1 tablespoon unsalted butter, softened 8 large eggs 2 1/2 cups whole milk 1 1/2 cups heavy cream 1 tablespoon granulated sugar 2 teaspoons vanilla extract 1/2 teaspoon ground cinnamon 1/2 teaspoon ground nutmeg topping8 tablespoon