1 white or yellow cake mix
1 can cherry pie filling
1 can crushed pineapple
2 sticks butter

In 9 x 13 inch pan, spread cherry pie filling. Over this, spread the pineapple. Pat in 1 dry cake mix over this. Cut the butter in small squares and cover the dry cake mix. Bake at 350 degrees for 45 minutes. May also be sprinkled with coconut or chopped pecans before baking. Serve with Cool Whip or ice cream.