For the dressing, combine the whipping cream, mayonnaise, granulated sugar, lemon juice and salt in a small bowl and mix well.
For the salad, wash, then core and chop the unpeeled apples.
Combine the apples, pecans and celery in a bowl and mix well.
Add the salad dressing to the apples, pecans and celery and toss to combine.
Take 6 individual serving plates and place 1 large lettuce leaf or a variety of lettuce leaves on each one. Top with equal portions of the salad. Serve immediately.