Rhubarb Dump Cake with Jello and cake mix. It's an easy recipe made with only 6 simple everyday ingredients. This dump cake literally takes less than 15 minutes to throw together. Bake it in the oven until it is golden brown on top and has the best fruity cobbler on the bottom. Make it in a dutch oven or cast iron skillet too. #dumpcake#rhubarbrecipes#rhubarbdesserts#rhubarbdumpcake#rhubarbcakewithjello#littledairyontheprairie