Suan cai
suancai, chinese sauerkraut, 酸菜
Suancai (also called suan tsai and chinese sauerkraut; lit. 'sour vegetable') is a traditional chinese pickled chinese cabbage (napa cabbage) or chinese mustard, used for a variety of purposes. suancai is a unique form of paocai, due to the ingredients used and the method of production.
Source: Wikipedia
