Lemon Delight
["1 (4 serving) pkg. Jell-O lemon pudding and pie filling", "1/3 c. sugar", "1/4 c. water", "1 egg, slightly beaten", "2 c. water", "1 c. prepared Dream Whip", "1/4 c. butter", "1/2 c. sugar", "1 c. flour", "2 tsp. baking powder", "1/4 tsp. salt", "1 c. white sugar", "2 to 3 Tbsp. cornstarch"]
["Pour over rhubarb, then pour 1/2 cup water over it."]
["sugar", "water", "egg", "water", "butter", "sugar", "flour", "baking powder", "salt", "white sugar", "cornstarch"]