Preheat oven to 350° and grease a 9"-x-13" baking dish with cooking spray. Slice margarine and butter and distribute over the surface of the cake mix. Stir together. Bake this sacrilege at 350 degrees for 45 minutes to 1 hour. Peach Pineapple Dump Cake with Walnuts is the best of both worlds - a sinfully delicious dessert recipe that is easy to make with virtually no clean-up! A good Baptist potluck needs a dump cake. It was super popular for the church potlucks. Combine peaches along with syrup and cinnamon in prepared baking dish and stir to combine. #dumpcake Peach Pineapple Dump Cake with Walnuts, a swoon-worthy dessert best served warm from the oven and topped with vanilla ice cream. Print You can not mess up this easy dessert. Peach Dump Cake recipe. Sprinkle cake mix over the top of the fruit. My mom used to make Cherry dump cake all the time growing up. Dump cherry pie filling and crushed pineapple into baking dish. Here’s the recipe. Peach dump cake is an easy dessert to make with ingredients you probably have in your pantry. Yield: 10 Peach Dump Cake. Peach dump cake; Super moist Banana bread; Cherry dump cake; Cake Pop recipe: Carrot Cake; Apple recipe: Apple bars; Apple Fritters; Blueberry Lemon coffee Cake; Cookie recipes Menu Toggle.