Roasted Turkey with Gravy

Ingredients:

1 fresh or defrosted 8-12 pound turkey

1 teaspoon each: thyme, crushed rosemary and black pepper

1 bay leaf

2 carrots, peeled and cut into chunks

1 onion, peeled and cut into quarters

2 celery stalks, cut in half

Gravy:

2 cups defatted broth from roasted turkey

1 tablespoon cornstarch dissolved in 2 tablespoons water

Directions:

1. Preheat oven to ...