Pineapple Jello Mold

Instructions
Mix jello, water and 7up. Refrigerate until jelled. Drain pineapple but save the juice. Mix in bananas, marshmallows, and pineapple. Jell again in 13x9 greased pan. Prepare 1 packet of Dream Whip. Mix sugar, flour, egg, and 1c of pineapple juice. Cook on low heat until thick. Cool a bit. Add mixture to Dream Whip. Spread on top.