Grey Poupon Dijon Mustard is a fantastically zingy and flavour packed mustard that has a wonderful variety of uses. This exquisite condiment has won the gold medal at the Napa Valley Mustard Festival.Grey Poupon Dijon Mustard can be used to enhance hotdogs, burgers and sandwiches, as well as a whole host of salad dressings and marinades.Dijon in eastern France has been known as the home of mustard since the 13th century, so they have had over 700 years to develop the perfect recipe.