Hokke no Hiraki

Hokke is a cold-water fish of the northwest Pacific — the Sea of Okhotsk, the Sea of Japan, and the coast of Hokkaido, which lands roughly ninety-five percent of Japan's catch. It has no single founding dish; the split, salted, overnight-dried form is a traditional way of handling a fish that spoils quickly. Historically hokke was a low-value fish with little demand before refrigeration, and it rose to a mass-market staple only after the Second World War, as the herring stocks that northern Japan had relied on collapsed. The catch itself has since fallen sharply — from several hundred thousand tonnes in the 1980s to a fraction of that now — so good fresh hokke has become comparatively scarce.

Grilled, the skin chars and crisps while the flesh stays moist, flaking off the bone in large soft pieces; hokke is a relatively oily fish, and the fat keeps the flesh from drying as it cooks. The flavor is mild and clean, deepened and faintly savory-sweet from the overnight drying, with the salt drawn evenly through. Grated daikon and a squeeze of lemon cut the oil and lift it. A well-dried, well-grilled fish is juicy with a crisp edge; overcooked it goes dry and stringy, and an underdried one grills wet and bland.

Drying the split fish overnight is the key step. Removing surface moisture concentrates the flesh's savor — water is driven off while the free amino acids that read as umami stay behind and grow more concentrated — and it firms the texture and makes the fish grill better, the drier surface crisping and sticking less than wet flesh would. The light salt seasons the flesh and helps draw the moisture out. On the grill the rendered fat bastes the flesh from within and keeps it moist, while the skin browns and crisps over the heat. Drying and salting also preserve the fish, which is why a quick-spoiling catch could be sold widely as a dried product while truly fresh hokke remained a northern, near-the-water treat.