Sweet and Tangy Chicken

ingredients
    2/3 cup mayonnaise
    2 tablespoons lemon juice
    1/2 teaspoon salt
    1/4 teaspoon ground pepper
    2 cups diced cooked chicken
    2 red apples, cored &,diced
    2/3 cup sliced celery
    1/2 cup chopped walnuts
    Directions:
In a bowl, combine the mayonnaise, lemon juice, salt and pepper. Add the chicken, apples and celery. Toss to coat. Cover and chill. Sprinkle with walnuts just before serving.