MARTIAL PICAT DIJON MUSTARD. Using only the highest quality seeds, ingredients, and standards, Martial Picat has created flavorful and versatile mustards used by top chefs. One taste of these all-natural French mustards and you will be hooked. Different flavors of mustards are achieved by adding vinegar and other flavorings. The Dijon classic; great for adding flavor to rubs, vinaigrettes, sausage slices, or just on a gourmet sandwich.