pour into a greased 9×13 baking dish. layer bread slices evenly over apples.
in bowl, beat eggs, milk, vanilla and 1 1/2 teaspoons cinnamon. pour over bread, soaking each slice. sprinkle top lightly with remaining cinnamon. cover with aluminum foil and chill in refrigerator overnight.
bake covered, at 375° for 40 minutes. remove foil and bake for 10 minutes or until top is golden. let stand for several minutes before serving. serve with warm maple syrup. 