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
Salsa (sauce) is . In American English it is pronounced , while in British English it is pronounced as . Mexican salsas were traditionally produced using the mortar and pestle-like "molcajete", although blenders are now more commonly used. The Maya made salsa also, using a mortar and pestle. Well-known "salsas" include: There are many other salsas, both traditional and "nouveau", some are made with mint, pineapple, or mango. Outside Mexico and Central America, the following salsas are common to each of the following regions; in Argentina and the Southern Cone, chimichurri sauce is common. Chimichurri is "a spicy vinegar-parsley sauce that is