4 c. raw rhubarb
1 dozen lg. or 1 c. sm. marshmallows
1 c. sugar
1/2 box white cake mix

Mix rhubarb, marshmallows and sugar in a 13"x9" pan. Then take 1/2 box cake mix and sprinkle over the top of rhubarb mixture. Dot with butter. Bake at 350 degrees for 40 minutes.