- 2 cooked chicken breasts shredded or chopped
- 1/4 cup mayonnaise
- 1 tablespoon Dijon mustard
- 1/4 cup diced celery
- 1/4 cup chopped green onions
- 1/4 cup chopped walnuts or pecans optional
- Salt and pepper to taste
- 6-8 large Romaine or butter lettuce leaves