Negitoro Don is a minimalist Japanese rice bowl featuring finely minced sashimi-grade tuna bound with a slightly sweet soy-based tare, topped with green onions and crispy nori. The mincing technique creates a distinct tender texture that transforms raw tuna into something entirely different from sashimi.
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Put all the Tare ingredients in a small saucepan and bring it to a boil.
Let it cool to at least room temperature.
Chop tuna into small pieces and make a flat pile of the fish pieces on the cutting board.
Use a knife to mince them into very fine pieces, by simply dropping a blade onto the pile of fish pieces many times. Use two knives if you wish.
Put rice in a serving bowl, levelling the surface.
If you are using a perilla leaf, place the leaf on the side of the rice so that the bottom half of the leaf is on the rice.
Spread the minced tuna over the rice, covering the rice and the bottom half of the perilla leaf.
Scatter the green onions over the tuna, then pile the kizami nori in the centre.
Place wasabi on the perilla leaf (if using), or directly on the tuna.
Pour the Tare evenly over the tuna.
Negitoro Don is best served immediately after assembly. Do not store the assembled bowl; leftovers lose texture and nori crispness. Cooled tare can be refrigerated for up to 5 days and reheated gently.
Sashimi quality is recommended because it is fresher and safer to eat raw. Always source from a reputable fishmonger and confirm it is designated for raw consumption.
Mince until the pieces are very fine, using repeated knife drops onto the pile. The finer the mince, the better the tare will coat and bind the tuna.
Yes. Combine all tare ingredients (sake, mirin, sugar, soy sauce, dashi powder) and bring to a boil, then cool to room temperature. Store in the refrigerator for up to 5 days.
Perilla leaf is optional and adds flavor and aroma. The dish is complete without it; simply place wasabi directly on the tuna.
Negitoro Don is not suitable for vegetarians because it centers on raw tuna. It is naturally dairy-free if using standard soy sauce and dashi.
