Easy Turkey Gravy

Bahan-bahan (12 porsi)

• 4 cups turkey broth ( or stock mixed with drippings)
• 2 -3 tablespoons fresh herbs (parsley, thyme, sage)
• ⅓ cup cornstarch
• ⅓ cup cold water (or cold broth)
• ⅔ cup all-purpose flour
• ⅔ cup cold water (or cold broth)