Soba noodles as pure as they come a japanese meal does not get much more traditional than yamamoto kajinos pure soba noodles soba is the japanese word for buckwheat and these noodles as such are made from 100 buckwheat flour this gives them a uniquely rustic earthy nutty flavour that works well served hot with japanese noodle broth or served cold with tsuyu dipping sauce and assorted garnishes on the side