Imo no kuki no itameni (stir-simmered potato stems)Su
Throughout the prefecture
In Kochi Prefecture, there's a food culture of eating the stems of sweet potatoes and kabocha squash. Though called "stems," both leaf and stem...
KOCHI
The surveyed city is Kochi. Of all 394 items in the household survey, Kochi Prefecture stands out most for Bonito — 4.5× the national average (Kochi 7,530 JPY / national 1,682 JPY). It is Japan’s top producer of Eggplant, Ginger, Garlic chives (Ministry of Agriculture data). Across the 52 surveyed cities, Kochi ranks No.1 for Bonito, Pickled Chinese cabbage, Happoshu and 5 more — 8 items in all.
RANK
All figures are annual spending/quantity per household (not per person). 2023–2025 average, showing Kochi’s value as a multiple of the national average.
| Item | vs. average | Kochi | National | Rank |
|---|---|---|---|---|
| Bonito#1Seafood | 4.48× | 7,530JPY | 1,682JPY | #1 |
| Pickled Chinese cabbage#1Dried Foods, Seaweed & Soy Products | 3.36× | 2,072JPY | 617JPY | #1 |
| Other citrusFruit | 2.57× | 9,487g | 3,694g | #2 |
| Grilled meat (yakiniku)#1Dining Out | 2.31× | 19,541JPY | 8,444JPY | #1 |
| Baby formula#1Dairy & Eggs | 2.17× | 2,039JPY | 938JPY | #1 |
| Dried baby sardinesSeafood | 1.72× | 648g | 376g | #4 |
| Dried horse mackerelSeafood | 1.72× | 951JPY | 552JPY | #5 |
| Happoshu (low-malt beer)#1Alcohol | 1.69× | 14,116JPY | 8,363JPY | #1 |
| Dried bonito flakesSeafood | 1.63× | 290g | 178g | #2 |
| Drinking-out spendingDining Out | 1.58× | 28,541JPY | 18,073JPY | #4 |
| Boxed lunch (bento)#1Prepared Foods | 1.49× | 27,424JPY | 18,460JPY | #1 |
| Ground beef & pork mixMeat | 1.45× | 4,748JPY | 3,280JPY | #5 |
MADE
From Ministry of Agriculture statistics (2024): items where Kochi ranks No.1 nationally by harvest or catch. This is about what the prefecture produces; the #1 list below is about what households buy.
Also No.2–3: Amberjack (farmed) (#2), Red sea bream (farmed) (#3), Bluefin tuna (farmed) (#3)
Source: MAFF Crop Statistics Survey and Marine Fishery Production Statistics (e-Stat, 2024 final figures).
#1
Items where Kochi ranked #1 among the 52 surveyed cities.
Q&A
By Ministry of Agriculture statistics (2024), Kochi is Japan’s top producer of Eggplant, Ginger, Garlic chives.
In Japan’s household spending survey (2023–2025 average), Kochi ranked No.1 of 52 cities for Bonito, Pickled Chinese cabbage, Happoshu and 5 more. This ranks what households buy, not what the prefecture produces.
Households here buy far more than the national average of Bonito, Pickled Chinese cabbage, Other citrus, Dried baby sardines, Happoshu.
Japan’s Ministry of Agriculture records 30 regional dishes from Kochi, including Imo no kuki no itameni (stir-simmered potato stems), Katsuo no tataki (seared bonito), Guru-ni (simmered root vegetables), Ryukyu no sunomono (vinegared taro stem).
LINK
Ingredients used in regional dishes here that also show up as standout spending in the household survey — cross-referencing MAFF's regional-dish database with Japan's Statistics Bureau data.
Main ingredients: Sushi, seared bonito, sashimi, simmered dishes, fried dishes, and more
→ Bonito is 4.3× the national average in Kochi (3,574 g, #1 nationally)
Main ingredients: Daikon radish, carrots, taro, thick fried tofu, konjac, and more
→ Konjac is 1.2× the national average in Kochi (1,937 JPY, #6 nationally)
Main ingredients: Trailing cucumber (jibai kyuri), river shrimp, shiso leaves
→ Cucumbers is 1.1× the national average in Kochi (7,044 g, #21 nationally)
Main ingredients: Tofu, plum vinegar
→ Tofu is 1.0× the national average in Kochi (5,553 JPY, #15 nationally)
Main ingredients: Eggs, rice, carrots, shiitake mushrooms, fish (such as mackerel), and more
→ Fresh shiitake mushrooms is 1.0× the national average in Kochi (1,997 JPY, #26 nationally)
Main ingredients: Himeichi fish, mandarin orange (or yuzu, bushukan citrus) peel, chili pepper, and more
→ Mandarin oranges is 1.0× the national average in Kochi (4,610 JPY, #17 nationally)
DISHES
From Japan's Ministry of Agriculture, Forestry and Fisheries (MAFF) “Regional Dishes to Pass on to the Next Generation.” Each dish name links to the MAFF page.
Throughout the prefecture
In Kochi Prefecture, there's a food culture of eating the stems of sweet potatoes and kabocha squash. Though called "stems," both leaf and stem...
Throughout the prefecture
Bonito, Kochi Prefecture's official fish, is eaten as an everyday ingredient. "Katsuo no tataki"...
Throughout the prefecture
"Guru-ni" refers to a simmered dish centered on winter root vegetables like daikon, carrots, and taro...
Throughout the prefecture
In Kochi Prefecture, the petiole connecting leaf and stem of hasuimo (a taro-family plant) is called "ryukyu"...
Throughout the prefecture
"Itadori" is a knotweed-family plant that grows wild in the mountains. Because its center is hollow like bamboo...
Throughout the prefecture
Himeichi is a small fish caught in small-scale bottom trawl nets in Tosa Bay; its formal name is Upeneus japonicus...
Otsuki Town
Otsuki Town is a coastal town in the southwestern part of the prefecture; its industries include rice farming, tobacco cultivation, and greenhouse horticulture...
Ogawa district, Sakawa Town
Okara, a byproduct of tofu-making, is eaten throughout Japan under names like "unohana" and "kirazu"...
Tsunoyama district
Tofu began to be eaten in Japan in the late Heian period, after being introduced from China...
Throughout the prefecture
The local dish eaten in Kochi Prefecture to see out the year is "kure no nimono," simmered with whale meat...
Throughout the prefecture
In Kochi Prefecture, taro is called "taimo," and has long served as a valuable nutrient source second only to rice...
Throughout the prefecture
Bamboo shoots are widely eaten in Kochi Prefecture. In early spring, moso bamboo shoots appear on the market...
Throughout the prefecture
"Sawachi ryori" is representative of Kochi's food culture. It isn't a specific dish, but rather a style of serving...
Ino Town
Ino Town, known for producing Tosa washi paper, sits in the central part of the prefecture. This region has long...
Otoyo Town
Otoyo Town, a mountain town in the central Shikoku Mountains. "Konchin" is made with thinly shaved burdock root...
Shimanto River, Niyodo River, Monobe River basins
"Tsugani-jiru" is one of Kochi's representative local dishes. Tsugani refers to the mitten crab caught in the Shimanto and Niyodo rivers...
Throughout the prefecture
As the hot summer passes and autumn approaches, chayote season arrives. Chayote is a tropical...
Mountainous areas
In mountain villages, dishes like oil-fried zenmai, shiraae, and simmered dishes have long been eaten...
Central prefecture (ita-kobuzushi), western prefecture (kuro-kobuzushi)
The recipe for "kobu-zushi" differs between the central and western parts of the prefecture; in the central region it's called "ita-kobuzushi"...
Muroto City
Sushi culture is one of Kochi's representative food traditions, with a wide variety of forms...
Throughout the prefecture
"Kawaebi" refers to the whisker shrimp, a Kochi specialty caught in the Shimanto and Niyodo rivers; its body length...
Throughout the prefecture
In Kochi Prefecture, "tamazushi," a nigiri sushi made with okara instead of rice and topped with vinegared sardines...
Otoyo Town
"Ginburou" is a type of kidney bean grown for home use in the Nishitoyonaga district of Otoyo Town...
Otoyo Town
Otoyo Town, in the central Shikoku Mountains, sits about 40km from Kochi City, the prefectural capital. Long ago...
Throughout the prefecture
"Inaka-zushi" is sushi made with vegetables rarely used elsewhere in Japan, a dish passed down in Kochi's mountainous areas...
Southern Aki City
"Kashikiri" is a tofu-like food made from kashi acorns (also called arakashi acorns, or donguri)...
Plains and coastal areas
"Mushi-dai" is served at "okyaku," the celebratory gatherings frequently held throughout the prefecture for weddings, New Year's, and other occasions...
Nankoku City, and elsewhere
Nankoku City, in the center of Kochi Prefecture, was home to the provincial capital from the Nara through Heian periods...
Throughout the prefecture
Nuta is a traditional Kochi seasoning made by mixing garlic with miso and vinegar, used with raw fish or konjac...
Throughout the prefecture
Rooted as a food custom throughout the prefecture, "sawachi" cuisine is indispensable for celebrations, funerals, and religious rites...
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