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
Chaudfroid sauce pheasant, duck and hard-boiled eggs, in which the cold sauce is used to coat the cold meat. Chaudfroid sauce has also been used as a topping for cold galantine, terrine and sweetbread dishes. The sauce serves to add flavor to meats and dishes and to decorate them. Chaudfroid sauce can provide the appearance of smoothness to meats, and such dishes are sometimes garnished with parsley or watercress atop the sauce. Chaudfroid sauce can be prepared using a pre-made "fumet" (reduced stock) from meats and game meats, along with ingredients such as demi glace, liquid essence of truffles, and Port or