1 (21 oz.) can cherry or blueberry pie filling
1 (8 oz.) unsweetened crushed pineapple
1 (9 oz.) pkg. yellow cake mix
1/2 c. butter, melted

Spoon pie filling into a lightly greased 8 inch square baking dish. Spoon pineapple over pie filling. Spoon cake mix evenly over pineapple, drizzle butter over cake mix. Bake at 425 degrees for 20-22 minutes. Yields 8 servings.