Roast Chicken Pan Gravy

1/4 cup drippings from a roast chicken 2 1/2 tablespoons all-purpose flour 2 cups cold chicken stock, or more if needed salt and ground black pepper to taste[...]

2 chicken breast halves (with skin and bone-in) 1/4 cup white wine 1 1/2 teaspoons poultry seasoning or 1 1/2 teaspoons herbes de provence 1 -2 tablespoon[...]

1 whole chicken 1 onion (halved and sliced) 1 bunch tarragon 1 lemon salt and pepper 375 ml dry white wine 1 Heat oven to has 200, gas mark 6. Place onion[...]