Zha cai

Zha cai, also romanized as Cha tsai, is a type of pickled mustard plant stem originating from Chongqing, China. The name may also be written in English as cha tsai, tsa tsai, jar choy, jar choi, ja choi, ja choy, or cha tsoi. In English, it is commonly known as Sichuan vegetable, Szechwan vegetable, or Chinese pickled vegetable, although all of these terms may also refer to any of a number of other Pào cài, including the several other types in the Sichuan province itself.