| 12 | oz | Spaghetti; cooked and still warm |
| 1 | tb | Unsalted butter |
| 2 | tb | Bacon drippings |
| 1 | lg | Onion; chopped |
| 3 | | Celery ribs; chopped |
| 1 | | Green bell pepper; chopped |
| 1 | c | Mushrooms (about 10-12 med.); minced |
| 3 | | Cloves garlic; minced |
| 1 | ts | Worcestershire sauce |
| 2 | ts | Chili powder |
| 1 | tb | All-purpose flour |
| 1 1/2 | c | Beer or chicken stock; unsalted |
| 3 | | Ripe tomatoes; preferably Roma or another Italian Plum variety |
| 1/4 | c | Chili sauce |
| 3/4 | c | Half and half |
| 2 | tb | Parsley; minced |
| 2 | c | Cooked chicken; diced or shredded |
| 1/2 | c | Pimento-stuffed green olives; sliced |
| 2 | c | Medium Cheddar cheese; grated (about 8 oz) |