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
Pesto alla trapanese by Trapani sailors with the products of their land, notably tomato and almonds. "Busiati with pesto trapanese" is listed as a traditional Italian food product (P.A.T.) by the Ministry of Agricultural, Food and Forestry Policies. Pesto alla trapanese The pesto alla trapanese (), is a Sicilian variation of the genoese pesto, typical of the Province of Trapani. It is also known as pesto alla siciliana , pesto rosso, and as in the Sicilian language. It is made of garlic, basil, almonds, grated pecorino, tomatoes, salt, and pepper, and bound with extra virgin olive oil. The dish was introduced in ancient