Lua error in Module:Unicode_data at line 293: attempt to index local 'data_module' (a boolean value). is a type of thin Japanese noodle. It is made from buckwheat flour. It is served either chilled with a dipping sauce, or in hot broth as a noodle soup. Moreover, it is not uncommon in Japan to refer to any thin noodle as soba in contrast to udon which are thick noodles made from wheat.