Nutty Apple Dessert

2 apples, unpeeled
1/2 (one-half) cup diced celery
1 cup seedless grapes, halved
1/2 (one-half) cup unsalted peanuts
1/4 (one-quarter) cup low-fat mayonnaise or soy mayonnaise
1/4 (one-quarter) cup low-fat yogurt or soy yogurt

Core and dice apples but do not peel. Combine apples, celery, grapes and peanuts. Toss with mayonnaise and yogurt. Yields four servings.