Drain and keep juice. Line a 13 1/2 x 8 3/4 x 1 3/4 glass pan with crushed pineapple. Slice 3 bananas and put on top of pineapple.
Make 3 (3 ounce) packages of strawberry-banana jello with 3 cup shot water and 2 1/2 cups cold water. Pour over fruit. Put miniature marshmallows on top of jello; REFRIGERATE. 1 egg 1/3 c. sugar 3 tbsp. flour
Pour in a pan and heat on stove until it thickens to a sauce. Cool and add 2 tablespoons of melted butter. Mix sauce with small container of Cool Whip. Frost jello with sauce and top with coconut and chopped nuts.