Cherry-Pineapple Dump Cake: Grease a 9 x 13 inch pan. Dump in the pineapple and juice, spreading evenly. Pour cherry pie filling over the pineapple, spreading evenly. Add dry cake mix evenly over the fruit. Add nuts, then slice butter and lay all over the top. Do not mix. Bake in a 350 degree oven 1 hour.