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
Sweet bean sauce and maltose give the paste its distinctive sweet taste. Similar to hoisin sauce, sweet bean sauce may be used in dishes such as Peking Duck. It is also used as a sweeter substitute for saltier yellow soybean paste. In Northern China, the sauce is also eaten with raw scallions. There are many different types of sweet bean sauces. Recipes and methods of production vary depending on the geographical region and on manufacturer preferances. In northern China, more sugar is added to the sauce. In southern China, "mantou" flour instead of sugar is commonly used as the main ingredient. Traditionally, high-quality