Recipe: Apple-Cinnamon French Toast Casserole

Name: Recipe: Apple-Cinnamon French Toast Casserole
Cuisine: Mediterranean, French, American, European
Ingredients: 4 tablespoons unsalted butter, melted; 6 large eggs; 2 cups half-and-half; 3/4 cup apple butter; 1 1/2 teaspoons ground cinnamon, divided; 1 teaspoon vanilla extract; 1/4 teaspoon freshly grated nutmeg; 1/4 teaspoon salt; 1 (1-pound) loaf challah or brioche bread, halved lengthwise, then cut into 1-inch-thick slices; 2 large Pink Lady or Honeycrisp apples, cut into 1/2-inch cubes (about 4 cups); 2 tablespoons granulated sugar; 1/2 cup all-purpose flour; 1/2 cup granulated sugar; 1 teaspoon ground cinnamon; 4 tablespoons unsalted butter, cubed and chilled; Powdered sugar; Maple syrup