Pesto where it is known as "pistou". In contrast with "pesto alla genovese", "pistou" is generally made with olive oil, basil and garlic only: while cheese may be added, usually no nuts are included in a traditional "pistou" because no pine trees grow there to provide the nuts. "Pistou" is used in the typical "soupe au pistou", a hearty vegetable soup with "pistou" flavour. The sauce did not originally contain basil, however; instead, cheese and olive oil were the main constituents. Sometimes almonds are used instead of pine nuts, and sometimes mint leaves are mixed in with the basil leaves. It
Sauce is a sauce used on roast dinner. The sole survivor of the medieval bread-thickened sauces, bread sauce is one of the oldest sauces in British cooking. Apple sauce, mint sauce and horseradish sauce are used on meat (usually on pork, lamb and beef respectively). Redcurrant jelly, mint jelly, and white sauce may also be used. Salad cream is sometimes used on salads. Ketchup and brown sauce are used on fast-food type dishes. Strong English mustard is also used on various foods, as is Worcestershire sauce. Custard is a popular dessert sauce. Other popular sauces include mushroom sauce, marie rose sauce