Japan (nationwide; Pacific Ocean northern waters — Hokkaido and Sanriku coast catching; autumn ritual nationwide)
Sanma (秋刀魚, Pacific saury — Coleabis saira) is Japan's most celebrated autumn fish — the annual arrival of large, fat-laden sanma from the northern Pacific (peak season September through November) is met with near-religious devotion, with dedicated sanma festivals, seasonal restaurant menus, and news coverage of the first catch prices. The name contains the characters for 'autumn,' 'sword,' and 'fish' — describing both the season and the fish's elongated, silvery, blade-like form. Sanma is almost exclusively prepared by salt-grilling whole (shioyaki) — a simple preparation that demonstrates the Japanese principle of letting peak-season ingredients speak for themselves. The fish is generously salted 30–60 minutes before grilling (drawing out moisture and firming the flesh), then grilled over high heat (charcoal ideal) until the skin crisps, blisters, and chars slightly at the tail and fin tips. The bitter, rich organs (entrails) are always left in — never gutted — because sanma's digestive tract at peak season contains a minimal amount of bitter liquid that complements the rich, oily flesh in the same way that bitter elements balance fat. Served with grated daikon (which provides enzymatic freshness and cuts the oil), kabosu citrus, and a small amount of soy. The ritual of eating sanma — breaking down the fish with chopsticks to extract maximum meat from the spine — is a seasonal autumn experience.
Rich, oily, smoky-charred flesh with bitter entrail notes; crisp blistered skin; kabosu's herbal acidity and daikon's clean freshness transform each bite
{"Never gut sanma — the bitter entrails are integral to the eating experience at peak season","Generous salt 30–60 minutes before grilling: draws moisture and firms flesh","High-heat grilling required — crisp, blistered skin with slight char at extremities is correct","Kabosu (Oita citrus) is the canonical accompaniment — kabosu and sanma are culturally inseparable","Grated daikon provides enzymatic freshness to cut through the richness; squeeze to drain before serving"}
{"Score the skin 2–3 times on each side — allows even heat penetration and prevents skin from splitting uncontrollably","For charcoal grilling: place sanma diagonally across the grill for maximum caramelisation of the natural skin oils","Sanma no nitsuke: simmer in sake, mirin, soy, and ginger — an alternative preparation that highlights different qualities","Monitor prices in September — early-season sanma is expensive as first catch; October peak fat content is the sweet spot"}
{"Gutting sanma before grilling — removes the bitterness that is an essential flavour counterbalance to the rich flesh","Low heat grilling — produces pale, soft skin without the characteristic crisp and char","Lemon as kabosu substitute — provides acidity but lacks kabosu's herbal complexity","Overcrowding the grill — sanma must have space; crowding produces steaming rather than grilling"}
Japanese Cooking: A Simple Art — Shizuo Tsuji; Japanese Farm Food — Nancy Singleton Hachisu