Pesto been used for all sorts of cold sauces or dips, mostly without any of the original ingredients: arugula (instead of or in addition to basil), black olives, lemon peel, coriander, or mushrooms. In more northern countries, ramson leaves are sometimes used instead of basil. In the 19th century, Genovese immigrants to Argentina brought pesto recipes with them. A Peruvian variety, known as "tallarines verdes" (meaning "green noodles", from Italian "tagliarini"), is slightly creamier, lacks pine nuts (because of their rarity and prohibitive cost in Peru), may use spinach and vegetable oil (in place of olive oil), and is sometimes served
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