1 med. onion, thinly sliced
1/2 c. vegetable oil
4 tomatoes, chopped
1/2 c. water
12 pitted green olives
2 stalks celery, chopped
2 cloves garlic, finely chopped
2 bay leaves
1 tbsp. dried oregano leaves
1 tsp. salt
1/4 tsp. pepper
6 chicken breasts, boned
8 oz. mushrooms, sliced

Cook and stir onion in vegetable oil in 10 inch skillet until tender. Stir in remaining ingredients, except chicken and mushrooms. Heat to boiling; reduce heat. Simmer uncovered 30 minutes. Arrange chicken in single layer in skillet; cover and cook 30 minutes. Add mushrooms; cover and cook until chicken is done; about 20 minutes. Makes 6 servings.