'Cuisine that has been added to for xx years' also exists overseas, and there are examples of dishes that have lasted for 400 years.

Long-established restaurants may offer dishes such as ``Curry with XX year addition'' and ``XX year addition sauce.'' This 'dish that has been updated over the years' also exists overseas, and there are examples that have continued for over 400 years.

FROM, A POT-AU-FEU, MANY HAPPY RETURNS - The New York Times
https://www.nytimes.com/1981/05/06/garden/from-a-pot-au-feu-many-happy-returns.html

Perpetual stew - Wikipedia
https://en.wikipedia.org/wiki/Perpetual_stew

It is said that the all-you-can-cook method called ``○○ year addition'' was common in the Middle Ages as a way to make pot-au-feu and potage. British historian Ray Tannahill says of medieval hot pot dishes, ``Except during Lent, the pot was rarely empty.When rabbits, chickens, and pigeons were added, they imparted a high-quality flavor. If salted pork or cabbage was added, the flavor could linger for weeks.'

In 1981, writer Arthur Prager wrote an article in the New York Times, saying, ``We have been making pot-au-feu for 21 years now'' and ``There is a restaurant in Perpignan, France that has been making pot-au-feu since the 15th century.'' It seems that there was one, but records disappeared due to World War II.'' In other words, it seems that there has been a pot-au-feu that has been added to Perpignan for over 400 years.

At Wattana Panich in Thailand, you can enjoy noodle dishes made with beef stew soup. This soup has been added since 1975, and 49 years have passed at the time of article creation. You can get a better idea of what kind of soup is made at Wattana Panich by playing the video below.

This Soup Has Been Simmering for 45 Years - YouTube


In 2023, an event was held in New York in the United States where people continued to make stew for 60 days. The stew cooking period was 60 days from June 9th to August 9th, and they succeeded in continuing to make the stew until the end. You can check the stew cooking record at the link below.

STEW COOKED FOR: 60 DAYS
https://www.perpetualstew.club/home

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