Duò jiāo 剁椒 is a pickled/fermented chopped chilli popular in Hunan and Sichuan. It does not contain any vinegar but lactic acid is produced during fermentation. This pickle is easy to make at home and ready to eat after few days but if you like it tastes sour best keep it for 2 - 3 weeks before use. This pickled/fermented chilli is a popular ingredient for steamed fish especially fish head. Take