Monkey gland sauce

Monkey gland sauce is a restaurant item in South Africa. Despite the name, the sauce does not involve monkeys in any way. The tangy sauce is prepared in several manners, and may include a blend of fruit and spices. It is typically served with meats, such as steak, hamburgers, pork ribs or chicken. Several popular South African fast food chains serve a monkey gland burger.
The sauce is made up of chopped onion, garlic and ginger, with a combination of chutney, soy sauce, mustard, Worcestershire sauce, ketchup, and wine. When the sauce was developed, there was much speculation in the popular medical press regarding the use of monkey glands as a means of keeping young due to the pseudoscience of Russian quack doctor Serge Voronoff.
One story dates the invention of the sauce to a disgruntled chef at the 1936 Rand Easter Show: