1 can pie filling (cherry or blueberry comes out best)
1 lg. can crushed pineapple, drain liquid and reserve
1 box yellow cake mix
1 1/2 sticks butter (melted)
1/2 - 3/4 c. chopped nuts (optional)

Pour pie filling into 13x9 inch pan; top with crushed pineapple. Sprinkle with dry cake mix. Pour melted butter over all. Pour pineapple juice over all; sprinkle with chopped nuts. Bake at 350 degrees for 35-40 minutes. Serve warm with whipped cream.