Crunchy Waldorf Salad - cooking recipe

Ingredients

2 c. sliced apples
1 c. seedless grapes
1 c. diced celery
30 walnuts, chopped
1/2 c. plain yogurt mixed with 1 tsp. lemon juice
lettuce cups

Preparation

Gently combine all ingredients except lettuce.
Chill until serving time.
Serve in lettuce cups.