Crock Pot Chicken Cacciatore

2 onions, sliced thin

1 chicken, cut up (or use browned chicken breasts cut in bite sized pieces)
1 lb. can tomatoes
1 (8 oz.) can tomato sauce
1 tsp. salt
1/4 tsp. pepper
1 to 2 tsp. crushed oregano
1/2 tsp. basil
1/2 tsp. celery seed
1 bay leaf
1 (4 oz.) can mushrooms (optional)
1/4 c. dry white wine or apple juice (optional)

Make a layer of onion slices in bottom of crock pot. Place chicken pieces on onions. Add remaining ingredients. Cook on low 6 to 8 hours. (If you've used cut up chicken breast, cooking time can be reduced.)

We served over angel hair wheat pasta.