Baiwei: Tender catfish in a soup of pickled mustard greens Published July 17, 2017, 21:21 at 800 × 600 in Baiwei (London) ← Previous Next → This was really rather good. A sour’ish soup with unexpected green dumplings floating in it that were reminiscent of tortellini. This was much better than the similar sour’ish fish soup at Chilli Cool.