Put rhubarb on bottom of ungreased cake pan. Combine Jello and sugar. ... Top with marshmallows. Mix cake mix according to instructions. ... degrees for 1 hour.
Read directions before starting!!! Take ... spread strawberries and rhubarb on the bottom. Then dump ... sugar, red jello mix, white cake mix, melted butter and water. ... can use all rhubarb.
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.