Homemade Turkey Noodle Soup

Bahan-bahan (6 porsi)

• 1 turkey carcass (from a 12- to 14-pound turkey)
• 1 large onion (cut into quarters)
• 3 ribs celery (cut into chunks)
• 2 medium carrots (cut into chunks, unpeeled)
• 4 cloves garlic (peeled)
• 2 bay leaves
• 1 teaspoon poultry seasoning (or ½ teaspoon ground sage)
• 12 cups water
• 2 tablespoons butter
• ½ cup finely diced onion
• 2 medium carrots (diced)
• 2 ribs celery (diced)
• 2 tablespoons all-purpose flour (optional)
• 2½ cups cooked chopped turkey
• 1 teaspoon salt (more to taste)
• 1 teaspoon black pepper
• ¼ teaspoon dried thyme leaves
• 8 ounces egg noodles (measured dry)
• ¼ cup chopped fresh parsley