4 c. rhubarb, cut fine
1 (3 oz.) pkg. red jello
1 c. sugar
1 c. miniature marshmallows
1 pkg. white cake mix

Butter 9x13 pan. Place rhubarb in pan. Sprinkle jello over rhubarb. Add sugar and marshmallows. Mix cake mix according to directions. Pour over mixture and bake 45 minutes in 350 degree oven. Serve plain or with whipped cream topping.