2 cup cooked chicken, chopped
1 cup cooked rice
1 cup diced celery
1 can cream of mushroom or cream of chicken soup
2 tbsp chopped onion
2/3 cup mayonnaise
1 can sliced water chestnuts
1 cup corn flakes, crushed
1/4 cup butter or margarine, melted

Mix everything together except corn flakes and butter.  Put into greased casserole dish.
Mix crushed corn flakes and butter and put on top.  Bake at 350* for 45 minutes.