Kyoto, Japan — hamo cookery developed in the capital due to its ability to survive transport from the coast alive; Gion Festival association established in Heian period
Hamo (pike conger, Muraenesox cinereus) is one of Japan's most technically demanding fish preparations and an icon of Kyoto summer cuisine, particularly associated with the Gion Festival (Gion Matsuri, July). The fish itself is a long, eel-like marine predator with exceptional flavour but extraordinary technical challenge: its body contains approximately 3,500 fine pin bones that run throughout the flesh in a pattern impossible to remove individually. The Japanese solution is honekiri (bone cutting) — a technique requiring a very sharp, heavy knife and refined motor skill, making multiple rapid cuts (honekiri nomi means 'bone-cutting only') through the fish flesh perpendicular to the bones, spaced approximately 2mm apart, cutting through all the pin bones but stopping just short of the skin. When the prepared fish is then briefly blanched (shakushi, dropped in boiling water and retrieved in seconds), the flesh pieces separate into flowering sections — the honekiri cuts allow the flesh to expand while the intact skin holds the sections together, creating the characteristic hamo preparation that blooms like a peony (botan nage). The flavour of hamo is extraordinary — delicate, sweet, and clean with a subtle richness — and the blanched preparation is served in Kyoto summer kaiseki with plum sauce (bainiku) or tosazu vinegar. The relationship between the labour-intensive preparation and the brief, delicate result is the essence of Kyoto culinary culture: extreme craftsmanship serving ephemeral pleasure.
Blanched hamo is extraordinary in its delicacy — the flesh is white, sweet, and tender with the faintest oceanic resonance; paired with sour plum sauce, the contrast between the fish's gentleness and the sauce's intensity creates one of Japanese cuisine's great flavour moments.
Knife sharpness and weight: honekiri requires a specific heavy knife (hamo-kiri bocho) or a heavy standard knife maintained at maximum sharpness — a dull knife cannot make the rapid, precise cuts needed. Cut spacing must be consistent and even (approximately 2mm) to sever all bones while preserving skin integrity. Blanching time is measured in seconds — hamo cooks almost instantly and over-blanching destroys the delicate texture. The boiling water for blanching should be at a full, vigorous boil.
Practice honekiri on cheaper white fish (sardines or similar pin-boned fish) before working on premium hamo. The rhythm of honekiri must be fast and consistent — slow cuts allow the knife to push bones aside rather than cut through them. For hamo sashimi (served raw without blanching, possible only with extremely fresh fish): honekiri is still performed, then the flesh is served directly with ginger-soy or plum sauce. Bainiku (salt-pickled plum sauce) is the classic Kyoto pairing — its intense sourness and salt cuts the subtle richness of hamo perfectly. The hamo preparation season peaks in July and August in Kyoto — this timing has contributed to hamo's association with Gion Matsuri.
Insufficient cut frequency (too widely spaced cuts) leaves whole bones in the flesh that create an unpleasant eating experience. Cutting through the skin prevents the flower-bloom opening during blanching. Over-blanching produces a mealy, collapsed texture rather than the spring-back delicacy of properly cooked hamo. Using a thin, light knife that lacks the momentum to cut through bones cleanly.
Kaiseki: The Exquisite Cuisine of Kyoto's Kikunoi Restaurant — Murata Yoshihiro