1 lg. can crushed pineapple
1 can cherry pie filling (or peach, blueberry or strawberry)
1 box yellow cake mix

Dump pineapple (undrained) into rectangle baking dish. Spoon on pie filling. Pour dry cake mix on top. Cover with pats of butter, about 2 sticks. Bake at 350 degrees for about 1 hour or until golden brown on top.