Apple Cinnamon French Toast Casserole Warm and Cozy Apple Cinnamon French Toast Casserole for a Family Brunch Ingredients: For the Casserole: 1 loaf of day-old French bread, cut into 1-inch cubes 4 large eggs 2 cups milk 1/2 cup granulated sugar 1 teaspoon vanilla extract 1 tablespoon ground cinnamon 2 cups apples, peeled and diced (such as Granny Smith or Honeycrisp) 1/2 cup chopped pecans or walnuts (optional) For the Topping: 1/4 cup brown sugar 1 teaspoon ground cinnamon 2 tablespoons unsalted butter, melted