Lettuce leaves Cook rice according to package directions, omitting salt or substituting seasoned salt if desired. Drain well; cool to room temperature. Spoon into a large bowl; add chicken, grapes, water chestnuts and mayonnaise. Toss gently with a fork. Cover and chill. Just before serving, add cashews if desired. Serve on lettuce leaves or line a bowl with lettuce leaves and fill with salad.