Looking for a delicious and easy dessert to make with fresh rhubarb? Try this irresistible rhubarb upside down cake recipe with cake mix and strawberry Jello! Learn how to make it step by step below. Ingredients for Rhubarb Upside Down Cake with Cake Mix and Jello I love a shortcut dessert recipe, especially when nobody... The post How To Make Rhubarb Upside Down Cake (With Fresh Rhubarb and Strawberry Jello) appeared first on These Old Cookbooks.