1 one-pound loaf stale reduced-calorie white bread, cut into 1-inch square cubes, 1 teaspoon grated orange peel, 1 teaspoon vanilla extract, 2 teaspoons Butter Buds Sprinkles or other granulated butter substitute, 6 packets Sweet ‘N Low zero calorie sweetener, 1/2 cup liquid egg substitute, 3 cups skim milk, 2 large, tart, cooking apples (8 oz. each) peeled, cored and thinly sliced, 2 tablespoons finely chopped crystallized ginger