Poppyseed Chicken Casserole

Cook 4 chicken breasts, shred and mix with 8 oz sour cream, 1 can cream of chicken soup, and 1 can cream of celery soup. Pour into greased 9x13 dish. Crush one sleeve of crackers, mix with 1/2 stick melted butter, and cover the top of the casserole. Sprinkle poppyseeds on top. Bake at 350* for 30 minutes until hot and bubbly.