Combine:

2 c. pineapple chunks, drained
2 c. unpeeled, diced apples
1 c. (1 inch) celery sticks
1/2 c. broken walnuts

Blend 1/4 cup mayonnaise, 1 tablespoons sugar, 1/2 teaspoon lemon juice, dash of salt. Fold in 1/2 cup whipping cream (whipped according to directions on box). Fold dressing to apple dressing.