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
XO sauce XO sauce XO sauce is a spicy seafood sauce from Hong Kong. It is commonly used in southern Chinese regions like Guangdong province. Developed in the 1980s in Hong Kong for Cantonese cuisine, XO sauce is made of roughly chopped dried seafoods, including dried scallops ("conpoy"), fish, and shrimp, which are cooked with chili peppers, onions, and garlic. This dried seafood-based sauce resembles the Fujianese Shacha sauce. Spring Moon, the Chinese restaurant of the Peninsula Hong Kong hotel, is often credited with the invention of XO sauce, although others claim it came from Kowloon. The name "XO sauce" comes from