Preheat oven to 350 degrees. Use 13 x 9 x 3 inch pan.

1 (20 oz.) can crushed pineapple with juice, spread evenly in pan
1 (20 oz.) can cherry pie filling, spread on top of the pineapple
1 pkg. yellow cake mix, spread dry on top of the fruit
1 c. chopped nuts, sprinkled over cake mix
1 stick butter, sliced and laid over top of all

Bake at 350 degrees for 50 to 55 minutes and enjoy.