5 c. cut up rhubarb
1 c. sugar
1 (3 oz.) pkg. raspberry Jello
2 c. mini marshmallows
1 pkg. white cake mix

Place cut up rhubarb in 9"x13" pan. Sprinkle sugar over rhubarb, then sprinkle Jello over. Add marshmallows and cover with cake mix (which has been mixed as directed on package). Bake at 350 degrees until cake is done. Serve with whipped cream or ice cream.