Koshine-jiru from Tomioka, Gunma

Koshine-jiru is a hearty miso soup named from the first syllables of konnyaku, shiitake and negi, three products of the Tomioka-Kanra area. Pork, tofu, fried tofu and root vegetables often...

Koshine-jiru from Tomioka, Gunma
Illustration showing the defining features of the food.

At a glance

NameKoshine-jiru from Tomioka, Gunma (Koshine-jiru)
PrefectureGunma
RegionKanto
Typemodern regional miso soup

What is it?

Koshine-jiru is a hearty miso soup named from the first syllables of konnyaku, shiitake and negi, three products of the Tomioka-Kanra area. Pork, tofu, fried tofu and root vegetables often make it a complete bowl.

It is a deliberately created modern local dish, not an ancient recipe. Tomioka materials credit a local women's association and record its introduction into school lunches in 2001.

History and local context

The three names explain ko-shi-ne, but the soup is not limited to three ingredients. City recipes add potato or taro, burdock, carrot, pork, tofu and abura-age and saute the ingredients before simmering for extra richness.

Its value lies in translating the area's konnyaku, mushroom and green-onion farming into a dish that schools, homes and community events can keep using.

How to enjoy it

Scoop konnyaku, shiitake and green onion together, then compare their textures. Rice and pickles make it closer to a school or home meal.

It is not guaranteed on tourist restaurant menus. Check current Tomioka event notices rather than expecting year-round service near the silk mill.

Availability varies by maker, season, and destination.

Sources and further reading

Frequently asked questions

Where is Koshine-jiru from Tomioka, Gunma from?

It is associated with Gunma, in the Kanto region of Japan.

What kind of food is Koshine-jiru from Tomioka, Gunma?

This guide classifies it as modern regional miso soup. See the overview for its defining ingredients and texture.

Can I order Koshine-jiru from Tomioka, Gunma online?

Use the Rakuten Japan search link on this page. Confirm the maker, ingredients, storage requirements, and international shipping before ordering.

Order from Japan

Search Rakuten Japan using the original Japanese food name. Search results and product pages may be available only in Japanese.

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