Chicken Breast in Sour Cream

6 Chicken breasts

4 T melted butter

1/2 C chopped onion

1/2 C chopped celery

1 green pepper, chopped

1 (4 oz.) pan sliced mushrooms, undrained

1 C sour cream

1/2 t salt

1/4 t pepper

Saute chicken in butter. Arrange in lightly greased 13x9x2 pan, set aside. Saute onion, celery and green pepper in pan drippings until tender. Combine vegetables, mushrooms, sour cream, salt and pepper. Spoon over chicken, cover and bake at 350 degrees for 45- 55 minutes.