Shimabara Rokubei: Sweet-Potato Noodles in Broth
Rokubei on the Shimabara Peninsula kneads sweet-potato-derived flour with hot water, often using yam as binder, and serves the chewy noodles in broth. Tsushima has a related namesake pressed...

At a glance
| Name | Shimabara Rokubei: Sweet-Potato Noodles in Broth (Rokube) |
|---|---|
| Prefecture | Nagasaki |
| Region | Kyushu & Okinawa |
| Type | Grey-brown sweet-potato flour noodles served in hot fish stock |
What is it?
Rokubei on the Shimabara Peninsula kneads sweet-potato-derived flour with hot water, often using yam as binder, and serves the chewy noodles in broth.
Tsushima has a related namesake pressed from sendango, so ingredients and forming methods should retain their regional identity.
History and local context
Shimabara links the food to sweet-potato use after the 1792 disaster and later scarcity, while modern noodle shape and stock vary.
Cook dough through and check yam, fish-stock and facility allergens.
How to enjoy it
Lift a small amount with broth, cool it and chew through the springy noodle rather than swallowing it long.
Availability varies by maker, season, and destination.
Sources and further reading
Frequently asked questions
Where is Shimabara Rokubei: Sweet-Potato Noodles in Broth from?
It is associated with Nagasaki, in the Kyushu & Okinawa region of Japan.
What kind of food is Shimabara Rokubei: Sweet-Potato Noodles in Broth?
This guide classifies it as grey-brown sweet-potato flour noodles served in hot fish stock. See the overview for its defining ingredients and texture.
Can I order Shimabara Rokubei: Sweet-Potato Noodles in Broth 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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