The Dijon sauce is a sauce made from mustard from Dijon, which is from the Dijon region in France. It is generally prepared with Dijon mustard, oil, vinegar and eggs, and can be flavored with herbs and spices of your choice. Dijon sauce is often used to accompany meat dishes, especially chicken, pork and beef. It can also be used to fill sandwiches and wraps, or to flavor salads and vegetables. Finally, it can be used as a dip to accompany fries or fried vegetables.