Johnny's French Dip Au Jus Mix (6x6Oz) Johnny's French Dip Au Jus Mix (6x6Oz) Enjoy Johnny's French Dip Au Jus Mix. Enjoy A Thinly Sliced Roast Beef Sandwich On Toasted French Hard Rolls Served With A Heated Bowl Of Johnny's Au Jus Sauce. Add To Gravy, Sauces, Stews, Casseroles And Soups For A Robust Beefy Flavor. (Note: Description is informational only. Please refer to ingredients label on product prior to use and address any health questions to your Health Professional prior to use.