2 large red apples, cut into 1/2-inch pieces, optional
1/2 cup chopped onion
1/4 cup minced fresh parsley
1 cup chopped walnuts
In a large bowl, combine the first 7 ingredients. Stir in chicken, celery, green pepper, apples if desired, onion and parsley. Cover and refrigerate for several hours. Stir in walnuts just before serving.