Morning crab noodles in Haiphong, Vietnam: banh da cua from Miss Yen The city’s best! A well pounded crab mash flavors the stock, plus its “butter” floats on top. The brownish hued rice noodles likewise indicate crab essence in its manufacture. fish/crab ball dumplings are impressed with a single small shiitake mushroom, plus there is a small meat patty wrapped with a piper (la lot) leaf then grilled and added to the broth. Ambrosia!