Fish preserved until sour and salty, one of the many pickled foods of the Dong people where Guizhou, Hunan and Guangxi meet, whose cooking leans heavily on sour flavours.
Dong-minority fermented fish can be preserved for years.
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A traditional preserved food of the Dong and Miao peoples in Guizhou, Hunan, and Guangxi. Fish are salted, packed with glutinous rice and chili, and fermented in sealed wooden barrels - sometimes for decades.