Dump Cake
["1 box yellow cake mix", "1 can cherry pie filling", "1 (20 oz.) can crushed pineapple (don't drain)", "1 stick butter", "walnuts (optional)"]
["Put pineapple in pan.", "Cover with cherries.", "Cover with cake mix and top with nuts.", "Cut margarine in pieces and put over top of cake.", "Bake at 350\u00b0 for 1 hour."]
["yellow cake mix", "cherry pie filling", "pineapple", "butter", "walnuts"]