1 lg. can sliced peaches
1 lg. can crushed pineapple
1 box yellow cake mix
1 stick butter
Brown sugar

Grease a large Pyrex dish. Pour in peaches and pineapple including juices. Sprinkle on top 1 box cake mix. Cut butter in small pieces and place on top of cake mix. Sprinkle brown sugar on top of all. Bake at 325 degrees for 1 hour.