grated yam soup
A traditional Japanese soup made by pouring grated yam (とろろ) over a broth, often with miso or soy sauce. A simple, rustic dish.
On a cold day, grated yam soup warms you up.
山芋 is the Japanese mountain yam often used to make とろろ; とろろ汁 is the resulting soup.
Common mixed kana-kanji spelling; とろろ is the usual word for grated yam.
Kanji spelling using 薯蕷 for 'yam'; rare and mainly seen in traditional contexts or menus.
From とろろ (grated yam) + 汁 (soup). The word とろろ is of uncertain origin, possibly mimetic for the slimy texture.