Kaisendon (海鮮丼, raw seafood rice bowl)

Kaisendon looks like the difficult bowl because it arrives wearing its jewels on top. It isn't difficult. It is only honest. The cooking is mostly rice, and the rest is buying seafood clean enough to eat raw, keeping it cold, and cutting it without bullying it.

The one detail that decides the dish comes before the knife: sourcing. Ask for fish and shellfish intended to be eaten raw, from a shop that can tell you when it arrived and how it was handled. If it smells strongly of the sea, cook something else. No sauce will rescue tired fish, and in this bowl we hide nothing.

The rice matters more than people think. It should be vinegared while warm, then cooled until it is no longer hot, because heat dulls raw fish and melts the clean edges of the slices. Fan it gently as you fold in the vinegar mixture, not for ceremony, but to give the grains a light gloss and keep them separate.

Arrange the seafood in odd little groups, with height at the center and a little empty rim showing. This is moritsuke, the grammar of setting food where the eye can understand it. Put wasabi and soy on the side, or brush a little soy lightly over the fish, but don't drown the bowl. Let the knife do the seasoning.