| 1 medium yellow onion, finely chopped |
| 1 medium green bell pepper, seeded,
cored and finely chopped |
| 3 medium stalks celery, finely chopped |
| 8 tablespoons vegetable oil |
| 1 pound andouille sausage or kielbasa, cut into 1/2-inch dice |
| 1 to 2 tablespoons "Cajun" or "Creole" seasoning, optional |
| 4 cups unsalted chicken stock |
| 2 tablespoons worcestershire sauce |
| 1 cup chopped canned tomatoes |
| Two 15 1/2-ounce cans pink or small kidney beans, drained |
| 1 pound boneless, skinless chicken, cut into 3/4-inch cubes |
| 2 tablespoons or more to taste, hot sauce, optional |
| 1 cup sour cream, optional |