Pesto has been pointed out that pesto is essentially a combination of flavourful leaves, oily nuts, hard cheese, olive oil, garlic, salt and lemon juice; any ingredients meeting this description can produce a pesto-like condiment. "Pesto alla siciliana", sometimes called "pesto rosso" (red pesto), is a sauce from Sicily similar to "pesto alla genovese" but with the addition of tomato, almonds instead of pine nuts, and much less basil. "Pesto alla calabrese" is a sauce from Calabria consisting of (grilled) bell peppers, black pepper and more; these ingredients give it a distinctively spicy taste. Outside Italy, the household name "pesto" has
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