Combine 2 cups diced apples, 1 cup 1 inch julienne celery sticks, and 1/2 cup broken walnuts. Blend 1/4 cup mayonnaise, 1 tablespoon sugar, 1/2 teaspoon lemon juice and dash salt. Fold in 1/2 cup whipping cream, whipped; fold dressing into apple mixture; chill. Makes 6 servings.