Our signature French Dip Au Jus sauce in a powder. Makes an outstanding French Dip sandwich. Great also as a seasoning for slow cooked roasts, gravies or in soups and stews. Mix JohnnyÍs French Dip powder with water for a delicious au jus sauce. Make traditional French dip sandwiches, pour over slices of roast beef, hamburger patties, baked potatoes, hot egg noodles, beef casseroles.