Grease 9 x 13 generously. Put rhubarb in bottom. Mix red Jello ... marshmallows. Makes up cake mix according to directions and ... degrees for 40 minutes.
Ingredients: 5 (jello .. marshmallows .. sm. .. sugar ...)
Cover greased 9 x 13 pan with miniature marshmallows. Mix rhubarb, sugar and Jell-O. Let stand while preparing cake mix according to package directions. ... degrees for 45 minutes.