Potluck Chicken Casserole

8 cups cubed cooked chicken

2 cans cream of chicken soup

1 cup (8 oz) sour cream

1 cup Ritz cracker crumbs (about 25 crackers)

2 Tbsp butter, melted

1 tsp celery seed

Combine chicken, soup, and sour cream.  Spread into greased 13x9 pan.  Combine crumbs, melted butter, and celery seed.  Sprinkle over chicken mix.  Bake at 350 for 30-35 minutes.