McCormick No Artificial Flavors Au Jus Gravy Seasoning Mix 1 oz Envelope. With McCormick spices celery and garlic easy to prepare McCormick Au Jus Gravy Mix yields a rich sauce to accompany a variety of dishes. Serve with prime rib and roast pork or use as a dip for hot meat sandwiches. To prepare in 5 minutes simply combine mix with 3 cups water and bring to a boil for gravy. For a thicker gravy add 3 tablespoons flour to mix before adding in water. Customize gravy with herbs such as thyme sage or rosemary for a twist. Serve au jus gravy with holiday mains like prime rib and pork tenderloin or use as a flavoring base to create French Onion soup. This McCormick Au Jus Gravy Seasoning Mix is in a Plastic packet that is 1 ounces. Store this shelf-stable item at an ambient temperature.