Filling:

1 (16 oz.) can whole cranberry sauce
3/4 c. sugar
2 tbsp. all-purpose flour

Topping:

1/4 c. chopped nutmeats
1 c. rolled oats
1/3 c. brown sugar
1/4 c. (1/2 stick) butter, melted
Cool Whip (optional)

Place apples in bottom of 9x13-inch lightly greased pan. Combine cranberry sauce, sugar and flour. Pour over apples.

Combine nutmeats, rolled oats, brown sugar, cinnamon and melted butter. Pour over apples.

Bake at 375°F for 35 to 40 minutes. Top with Cool Whip when served.