1 (6 oz.) pkg. apricot gelatin
1 c. miniature marshmallows
2 lg. ripe bananas, mashed
1 (No. 2) can crushed pineapple, drained & 1/2 c. syrup reserved
1 egg, well beaten
1/2 c. sugar
2 tbsp. butter
2 tbsp. flour
2 env. Dream Whip

Combine gelatin and marshmallows in bowl; dissolve according to package directions. Add bananas and pineapple; pour into pan or mold. Chill until firm. Combine egg, sugar, butter, flour and reserved pineapple juice in saucepan; cook over low heat, stirring constantly, until thick. Let cool. Prepare Dream Whip according to package directions. Fold into cooked custard. Spread topping over salad.