Japan — Shikoku Island (Kochi, Tokushima, Ehime, Kagawa Prefectures)
Shikoku, the smallest of Japan's four main islands, houses four distinct prefectural food cultures united by mountainous terrain, warm Pacific coastal access (Kochi), and the Seto Inland Sea (Kagawa, Ehime). Kochi Prefecture is the cultural homeland of katsuo (bonito) consumption — not as dried katsuobushi but as katsuo tataki (quickly seared whole loin, chilled, served with citrus ponzu, raw garlic, and ginger). Kochi's residents consume more fresh bonito per capita than anywhere in Japan, and the local variant of tataki involves charcoal-searing a whole side of bonito while holding it on a skewer, producing a thick, dramatically seared exterior around a raw, cool interior. Tokushima Prefecture is known for Tokushima ramen, a rare style featuring a pork-bone (tonkotsu) and soy base, topped with simmered pork belly slices and a raw egg that is stirred into the hot broth — the egg cooks partially in the bowl. Ehime Prefecture (the Uwajima area) produces ja-ja-men (sour horse mackerel), and tai-meshi (sea bream rice) in two competing styles: the Matsuyama version (cooked sea bream fillet on rice) versus the Uwajima version (raw sea bream sashimi served over raw egg and rice). Kagawa Prefecture is the udon homeland (Sanuki udon — covered separately).
Kochi tataki: intensely smoky-charred exterior, cool raw bonito interior, bright citrus, pungent raw garlic — high contrast, bold, and uncompromising. Tokushima ramen: rich, porky, slightly sweet soy broth enriched by dissolved egg yolk. Uwajima tai-meshi: clean, oceanic raw fish sweetness against warm rice and rounded egg-dashi sauce.
{"Kochi tataki uses direct flame from straw (wara) or charcoal held at close range — the fast, fierce heat chars the exterior in seconds","The essential garnish for kochi tataki is raw garlic (not ginger alone, as in standard tataki service), along with citrus ponzu","Tokushima ramen's raw egg is stirred into the bowl at table — this is non-negotiable to the eating protocol","Uwajima tai-meshi: the raw sea bream is placed over steamed rice with raw egg and dashi-soy — a cold application very different from the Matsuyama cooked version","Shikoku cuisine generally uses sudachi (a small local citrus) as the primary acid seasoning rather than yuzu or lemon"}
{"The straw-fire (wara) method for Kochi tataki produces more aromatic smokiness than standard charcoal — if wara is available, it is worth using","Bonito for tataki should be wild-caught spring katsuo (hatsu-gatsuo) or autumn modori-gatsuo (returning katsuo, fattier)","Sudachi grows primarily in Tokushima and has a more herbal, less floral character than yuzu — it is used whole (squeezing the half directly) at table","Tokushima ramen shops often offer free rice as a side (a regional custom) — the rich pork broth is used to flavour the rice","Kagawa's Sanuki udon pilgrimage (udon-jun-rei) involves visiting multiple udon shops in a single day — a cultural practice unique to the region"}
{"Serving Kochi katsuo tataki with only ginger — raw garlic is essential to the authentic Kochi character","Stirring the raw egg into Tokushima ramen before serving — it must be served raw on top and stirred by the diner","Confusing the two tai-meshi styles — Uwajima's raw version and Matsuyama's cooked version are entirely different dishes"}
Japanese regional cuisine documentation; Kochi Prefecture tourism and food culture records