DUMP CAKE 

1 large can crushed pineapple, drained
1 can cinnamon apple pie filling 
(or cherry or blueberry or strawberry!)
1 box yellow cake mix
2 sticks butter, melted
1 cup pecans

Pour each item, in order listed, evenly in a 9x13" baking pan. 

Bake at 350 degrees for 1 hour. 

Healthy Tip: Use reduced fat butter and omit pecans.