 In the United Kingdom, steak is often served with medium-thick fried potatoes (chips), fried onions, mushrooms, and tomatoes; however, in more expensive restaurants, it is more likely to be served with potatoes and other vegetables and offered with a selection of cooked sauces such as red wine, Diane, Bordelaise, mushroom, Hollandaise, "au poivre" (peppercorn), or Béarnaise.Other vegetables such as peas or a green salad can also be served.Various types of mustard are sometimes offered as a condiment.