Waldorf Salad - cooking recipe

Ingredients

2 large red apples, chopped
2 large green apples, chopped
2 celery, diced
1 c. low-fat lemon yogurt
4 Tbsp. mayonnaise
1/2 c. chopped walnuts
1 c. seedless grapes, cut in half

Preparation

Stir together apples, celery, yogurt, grapes and mayonnaise. Just before serving, add walnuts.