1 1/2 c. rhubarb, cut into sm. chunks
1 c. sugar
1/2 pkg. mini marshmallows
1 (3 oz.) pkg. strawberry Jello
1 pkg. yellow cake mix

Line bottom of 9 x 13 inch pan with rhubarb chunks. Cover with sugar. Sprinkle Jello on top. Cover with marshmallows. Mix cake mix according to package directions and pour over other ingredients. Bake for 45 to 60 minutes.