Classic Maguro Don (Japanese Tuna Rice Bowl)

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Experience the pristine flavors of raw tuna belly with this classic Maguro Don. Perfectly sliced sashimi rests over a bed of warm rice, accented with freshly grated wasabi and elegant cucumber garnishes.

↓ The ingredients ↓ The steps

Maguro Don, or tuna rice bowl, is a celebration of minimalism and ingredient quality in Japanese cuisine. By sourcing the freshest tuna belly and pairing it with real grated wasabi, this dish transforms simple components into a luxurious culinary experience. The traditional shark-skin grated wasabi adds a bright, floral heat that perfectly cuts through the rich fattiness of the tuna.

A beautifully plated Maguro Don featuring thick slices of raw tuna, fresh wasabi, and decorative cucumber on a bed of white rice.
A beautifully plated Maguro Don featuring thick slices of raw tuna, fresh wasabi, and decorative cucumber on a bed of white rice.
Prep20 mins
Cook25 mins
Total45 mins
Yield2 servings
DifficultyMedium
Calories480 kcal

Ingredients

Instructions

  1. 1Portion the tuna block
    A sharp knife slicing through a massive, dark red block of raw tuna on a black cutting board.

    Begin by taking the large block of raw tuna belly and making an initial cut down the center. Use a long, sharp slicing knife to cleanly separate the meat into smaller, manageable rectangular segments for easier handling.

    Tip: Ensure your knife is extremely sharp to avoid tearing the delicate muscle fibers of the tuna.
  2. 2Segment the tuna
    Gloved hands holding a large block of bright red tuna while slicing off a thick segment with a long knife.

    Take the trimmed section of the tuna belly and carefully slice it lengthwise. Make smooth, even cuts to create thick, uniform rectangular strips of tuna, preparing them for the final sashimi cuts.

    Tip: Wipe the blade of your knife with a damp cloth between cuts to maintain a clean edge and prevent the fish from sticking.
  3. 3Slice into sashimi pieces
    Gloved hands using a Damascus steel knife to cut a strip of raw tuna into angled sashimi slices on a slate board.

    Place a rectangular strip of tuna on a dark cutting board. Angle your knife slightly and pull it smoothly through the flesh in a single motion to cut the block into beautiful, thick sashimi-sized pieces.

    Tip: Cut against the grain of the fish to yield the most tender pieces.
  4. 4Grate the wasabi
    Fresh wasabi root being grated into a fine, bright green paste on a traditional shark-skin grater.

    Take the peeled fresh wasabi root and grate it against the shark-skin grater in a circular motion. This traditional method produces a fine, pasty consistency that maximizes the wasabis natural spice and vibrant color.

    Tip: Work in small, circular motions for the best texture. Freshly grated wasabi loses its potency quickly, so prepare it just before serving.
  5. 5Prepare the cucumber garnish
    Gloved hands using a knife to carefully score and slice a piece of green cucumber on a dark cutting board.

    Take a fresh section of cucumber and slice it diagonally. Using precise knife work, score the cucumber into thin, connected layers so it can be fanned out into an elegant, decorative shape to accent the final bowl.

    Tip: Keep the cuts thin and uniform so the cucumber fans out beautifully without snapping.

Burn It Off

Running
~50 minutes at an easy jog (~9 km/h).
Brisk Walking
~95 minutes of steady walking (~5 km/h).
Badminton
~1 hour of active court play.

Frequently Asked Questions

While regular short-grain white rice works perfectly fine, seasoning it with a subtle mix of rice vinegar, sugar, and salt (sushi rice) elevates the dish and complements the raw fish beautifully.
Look for tuna explicitly labeled as sushi-grade or sashimi-grade. It should smell freshly of the ocean, not fishy, and have a firm, vibrant appearance without any slimy texture.
A traditional shark-skin grater (oroshigane) breaks down the dense root into a fine, creamy paste, releasing its volatile flavor compounds and yielding a much sweeter, more aromatic heat than standard metal graters.
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