1 can cherry pie filling
1 (8 oz.) can crushed pineapple
1 (2 layer) pkg. yellow cake mix
1 stick butter, melted

Grease 9 x 13 cake pan. Generously spread pie filling in pan. Spoon pineapple over pie filling. Sprinkle dry cake mix over top. Drizzle with butter. Bake at 400 degrees for 30 to 40 minutes.