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|Place of origin||Hong Kong|
|Main ingredients||dried scallop, chili peppers, Jinhua ham, dried shrimp, garlic, canola oil|
|Cantonese Yale||XO jeung|
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 some claim it came from other nearby restaurants in Tsim Sha Tsui area of Kowloon.
The name XO sauce comes from fine XO (extra-old) cognac, which is a popular Western liquor in Hong Kong and considered by many to be a chic product there. The term XO is often used in Hong Kong to denote high quality, prestige and luxury. Indeed, XO sauce has been marketed in the same manner as the French liquor, using packaging of similar colour schemes.
XO sauce can be used as a table condiment or in cooking to enhance the flavour of fish, meats, vegetables, and otherwise bland foods such as tofu or noodles. Home cooks often use it as the chief flavouring for fried rice.