- 3 tablespoons unsalted butter or chicken fat from roasting — even better
- 2 tablespoons all-purpose flour
- 1 cup good-quality chicken stock or broth warm, not cold
- ½ teaspoon garlic powder
- ½ teaspoon onion powder
- Salt and freshly cracked black pepper to taste
- 1 teaspoon Worcestershire sauce — the secret ingredient see below