Kanpyo: Tochigi's Dried Gourd Strip, Explained

Kanpyo, thin strips of dried gourd (a calabash variety) simmered in sweet soy broth, is best known as the filling in futomaki and other rolled sushi, but most people who eat it have no idea it comes from one place: Tochigi grows the large majority of Japan's kanpyo, concentrated around towns like Kaminokawa. The gourd is peeled into long ribbons by machine or hand, then hung out to dry in open air, traditionally under summer sun.

Simmered kanpyo also turns up in soups, salads, and as a wrap for other ingredients, valued for a chewy texture that holds sauce well. Because the crop and its processing are so specific to the region, some local shops sell dried kanpyo strips as a cooking souvenir, alongside seasoning kits for preparing it at home. Fresh-season kanpyo production is limited to summer harvest months, so timing matters if you want to see it being made rather than buy the shelf-stable dried product.