Stove Top Stuffing Chicken Casserole Chicken (white) Celery tops 2 bay leaves 1 pt. sour cream 1 can cream of mushroom soup 1 med. onion 1/4 lb. butter 1 c. chicken stock 1 (8 oz.) box Stove Top stuffing Boil chicken with celery tops, onion, and bay leaves. Cover and cook 20 minutes or until tender. Cool; take meat off bones and cut into bite size pieces. Mix 1 pint sour cream and 1 can cream of mushroom soup. Put in casserole dish. Stove Top stuffing - Melt 1/4 pound butter, 1 cup chicken stock, 8 - ounce box stuffing. Put on top of chicken. Bake at 350 degrees for 45 minutes.