Roast Chicken With Yam Stuffing

Name: Roast Chicken With Yam Stuffing
Ingredients: 4 pound(s) ready to cook roasting chicken; 1 12 cup(s) mashed cooked yams; 3/4 cup(s) melted butter (or margarine); 3 cup(s) toasted bread crumbs; 1 cup(s) finely chopped onion; 3/4 cup(s) finely chopped celery; 3/4 teaspoon(s) salt; 1/2 teaspoon(s) dried thyme leaves; 1/2 teaspoon(s) dried marjoram leaves; 1/4 teaspoon(s) dried sage leaves; 1/4 teaspoon(s) pepper; 2 tablespoon(s) flour; 1 1/2 cup(s) canned chicken broth, undiluted; 1/2 teaspoon(s) salt; 1/8 teaspoon(s) pepper; 1/4 teaspoon(s) liquid gravy seasoning