8 c. rhubarb, cut up
2 c. sugar
3/4 c. flour
2 eggs
2 tbsp. water
1 pkg. yellow cake mix
1 stick butter, melted

Mix sugar and flour together. Mix with rhubarb. Pour into 9 x 13 x 2 inch pan. Mix eggs and water. Pour over rhubarb; mix until all is moist. Bake at 350 degrees until tender, about 20 minutes. Mix cake mix with melted butter. Sprinkle on top of rhubarb. Return to oven until brown.