No. 1 Organic Noodle Brand in Japan. Made in Australia with the finest quality wheat, Hakubaku Organic Soba is Halal and Kosher certified. It is also 98-percent fat free. Soba noodles are thin, brown to grey, Japanese noodles made of wheat and buckwheat flour. They are roughly as thick as Italian spaghetti, and are used in various hot and cold dishes.