1 c. apple yogurt
1/4 c. mayonnaise
1 c. cheddar cheese, diced
1 c. apple, diced
1 c. celery, diced
1 c. grape halves, seeded
1/2 c. walnuts, broken
Lettuce (opt.)

Blend together yogurt and mayonnaise. Toss yogurt mixture with remaining ingredients, except lettuce. Serve salad on beds of lettuce, if desired. Serves 6.