1 can apple or cherry pie filling (31 oz.)
1 can crushed pineapple (do not drain) (20 oz.)
1 pkg. yellow cake mix
1 stick butter

Put pie filling in bottom of 13 x 9 x 2 inch pan. Pour crushed pineapple over this. Then sprinkle cake mix over this. Cut up stick of butter in small pieces and put over all. Bake in 350 degree oven until brown or about 1 hour.