Mentaiko Pasta (明太子パスタ, spicy cod-roe pasta)

Mentaiko is small but not shy. The chili-cured roe brings salt, heat, and a clean sea sweetness that disappears the moment you bully it. This pasta looks suspicious to some cooks, spaghetti under nori, butter beside roe, but it is honmono yōshoku, Japanese Western-style cooking, a home dish with its own manners.

The one detail that decides it is heat. Mentaiko is roe, a crowd of tiny eggs, and direct heat makes it tighten, turn grainy, and lose its brightness. Mix it with softened butter and a spoon of cream in a bowl, then let the hot spaghetti melt everything off the flame. Pasta water brings starch, starch brings cling, and each strand becomes lightly coated instead of drowned. Nothing hidden.

Because the roe is cured, shun, the season when an ingredient is at its prime, speaks more softly here than it does with spring greens or autumn mushrooms. Freshness still matters. Buy sacs that look moist and glistening, with a clean smell and no leaking. If you have tarako, the milder salted roe, use the same method and call the dish tarako pasta; the heat will be gone, but the manners are the same. Finish with shiso and nori at the last moment, because their aroma is brief and a little vain, as herbs often are. Leave it room, eat it while the gloss is still there.