Tartar sauce since the 19th century. Tartar sauce Tartar sauce (spelled tartare sauce in the UK, New Zealand, Australia, South Africa, and other parts of the Commonwealth) is a mayonnaise of French origin, and is typically of a rough consistency due to the addition of diced gherkins or other varieties of pickles, capers and parsley. It is often used as a condiment with seafood dishes. It is most commonly used with clam strips, fried oysters, fish and chips, fish sandwiches, and fish fingers, among many other dishes. Tartar sauce is based on either mayonnaise (egg yolk, mustard or vinegar, oil) or aioli
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