Creamy Chicken with Mushrooms and Celery

6 chicken breasts, still frozen okay

1 can condensed cream of celery soup, do not add additional water

1 can condensed cream of chicken soup, don not add additional water

1 12 oz can sliced mushrooms , drained

1 cup chopped celery

1/4 t pepper

Mix together all ingredients, adding chicken last and put in crock pot. Cook on high for 3-5  hours. Stir and then lower heat until ready to eat. Serve over  brown rice or whole wheat noodles.