Dream Salad 3 small boxes lemon gelatin 3 tablespoons granulated sugar 1/8 teaspoon salt 2 chopped apples 2 sliced bananas 1 (20 ounce) can crushed pineapple,     drained (reserve juice) Prepare gelatin according to package directions. Add sugar and salt. Chill until partially thickened. Add fruits. Chill in a 13 x 9-inch dish. Topping 1 cup reserved pineapple juice 1/4 cup granulated sugar 1 egg, well beaten 1 tablespoon all-purpose flour 1 envelope whipped topping mix Finely chopped walnuts (optional) Mix first 4 ingredients. Cook until thick. Cool. Prepare topping mix and fold into cooled sauce. Spread over salad. Garnish with chopped walnuts if desired. Chill. Yields 15 servings.