Turkey Gravy

Bahan-bahan (8 porsi)

• 1/3 cup fat skimmed from the turkey pan drippings (or butter)
• 1/3 cup all-purpose flour
• 1 to 2 cups turkey juices (whatever you have, after the fat has been skimmed off)
• 3 to 4 cups warm chicken stock
• fine sea salt and freshly-ground black pepper, to taste
• 1 teaspoon chopped fresh rosemary or thyme, optional
• 1 tablespoons dry sherry or dry white wine, optional