5 c. rhubarb (1 inch pieces)
1 1/2 - 2 c. sugar (depending on tartness of rhubarb)
4 tbsp. flour
1 egg
1/2 c. water or less
1 pkg. yellow cake mix
1 1/2 sticks melted butter

Place cut up rhubarb in 9 x 13 inch pan. Mix sugar, flour, egg and water. Pour over rhubarb. Sprinkle dry cake mix over ingredients in pan. Pour butter evenly over cake mix. Bake at 350 degrees for 40 minutes. Tastes great served warm with vanilla ice cream.