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
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