6-8 c. cut-up rhubarb
1 c. sugar
3 oz. raspberry Jello
3 c. miniature marshmallows

Place rhubarb in bottom of 9x13 inch cake pan. Mix sugar and Jello. Sprinkle evenly on fruit. Then top with marshmallows. Follow directions for white cake mix and pour on top of above. Bake at 350 degrees for 1 hour and 15 minutes.