4 c. rhubarb, chopped
1 c. mini marshmallows
1 sm. pkg. raspberry or strawberry Jello
1 1/2 c. sugar
1 regular box yellow or white cake mix
1/2 c. butter, melted
1 c. water

Put rhubarb in 9"x13" pan. Sprinkle marshmallows over rhubarb. Mix together Jello and sugar and sprinkle over top. Top with cake mix. Drizzle melted butter over top and add water. Bake at 350 degrees for 35 to 40 minutes.