1 can cherry pie filling
1 can crushed pineapple (same size as pie filling)
1 box white cake mix
2 sticks butter
1/2 to 1 c. nuts

Mix pineapple and cherry pie filling together. Put in bottom of 9x13x2 inch pan. Grease sides of pan. Sprinkle cake mix over top of this. Cut butter in small pieces and put on top of cake mix. Sprinkle nuts on top of this. Bake at 350 degrees for 1 hour.