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.