1 can cherry pie filling
1 can crushed pineapple
1 box yellow cake mix
1 c. chopped walnuts
1 stick butter

Dump pie filling and pineapple in a 9 x 13 x 2-inch pan. Spread cake mix evenly over mixture; sprinkle walnuts over cake mix and top with butter slices.

Bake at 350 degrees for 55 minutes or until top is light-medium brown.