1 (2 to 2 1/2 lb.) chicken, or 4 chicken breasts, cooked and cubed
1/2 lb. white grapes, washed and cut in half
3/4 c. chopped walnuts
3 stalks celery (preferably the heart), cut into sm. pieces
1/3 to 1/2 c. mayonnaise
1/4 tsp. curry powder (optional)

In large mixing bowl, toss the above ingredients and chill. Serve on lettuce leaves.