Tororo Soba Noodles This page first published: Jun 26, 2006 · Updated: Jun 9, 2018 · by CooksInfo. Copyright © 2021 · This post may contain affiliate links · This blog generates income via ads · Tororo Soba are warm soba noodles served in a dashi broth. They are served with another bowl on the side in which there is puréed Japanese Mountain Yam, and a raw egg. You pour the puréed yam into the noodles and stir it all up to eat it.