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TUNA · Cut

Chutoro

Medium fatty belly

At a glance
3 min read

Share this cut map before the market trip or holiday cook.

Last reviewed Sources & creditsMedia creditsMethodology

Start with this section - Doneness by animal

Open cut spectrum

Cook sheet

Doneness, a counter swap, and the safety line for this cut — print this page.

Doneness

RawSashimi

Less cloying than otoro, so it can be eaten piece after piece without tiring the palate.

Species target Raw for sashimi-grade; or 50–55°C for seared

Only eat raw from a trusted cold chain. Seared otoro is about surface heat, not a steak finish.

Swap at the counter

No close swap in this atlas — stay with this cut or open the swap tool.

Cut swaps →

Safety

Eat raw only from a trusted cold chain. A sear is surface heat, not a steak finish.

Safety & freshness →

Last cook versus this cook

Pin the doneness and method you just left against the pick on this cut’s sheet. Last-versus-now stays on this device — teaching temperatures, not a diagnosis.

Not medical advice, a food-safety certificate or a guarantee. Use the published sheet temps and your own thermometer.

Last cook—
This cook—

Cook sequence from this cut sheet

Follow published Chutoro — teaching, not a thermometer app.

  1. Name the cut — Confirm Chutoro on the sheet.
  2. Pick doneness — Target Medium rare ~57°C.
  3. Pair first method — Lead with Sushi & sashimi.
  4. Keep safety note — Less cloying than otoro, so it can be eaten piece after piece without tiring the palate.
  5. Last-vs-now is a pin — Cook-pair is a bookmark, not a certificate.

Chutoro: Medium rare (57°C) via Sushi & sashimi.

Editorial butchery teaching only. Not HACCP or medical advice.

Substitute cut and safety stop

After the cook sequence for Chutoro, a second sheet pass: published swap cut plus the safety line already on this page.

  1. Name the printed substitute — If Chutoro is missing at the counter, the sheet points to related cut Otoro — same atlas, not inventing a new primal.
  2. Check shared method fit — Prefer a published method that still fits the substitute; lead method on this sheet is Sushi & sashimi.
  3. Hard stop on safety — Less cloying than otoro, so it can be eaten piece after piece without tiring the palate.
  4. Keep cook-pair as a pin — Saving a cook-pair bookmarks this sheet; it is not a food-safety certificate.

Chutoro → swap toward Otoro; stop on the printed safety line before plating.

Editorial butchery teaching only. Not HACCP or medical advice.

Cook, swap, or skip

Choose what to do with Chutoro from the lines already on this page.

Use Sushi & sashimi. Stop when you meet this safety line: Less cloying than otoro, so it can be eaten piece after piece without tiring the palate..

Kitchen teaching. Not a food-safety certificate.

Doneness and method on this cut

What temperature does this page recommend for this cut?
The cut sheet already prints Raw (Sashimi) for Chutoro. That is the published recommendation on this page, not a live thermometer reading.
Which cooking method fits this cut?
This sheet lists Sushi & sashimi · Tataki with fitness scores. Pair one of those methods with a doneness from the published scale (Blue 46 C through Well done 77 C). The cook-pair block pins last versus now — teaching, not a diagnosis.
Can I serve this cut pink?
Follow the sheet note already on this page: Less cloying than otoro, so it can be eaten piece after piece without tiring the palate. Connective-tissue cuts ask for time; tender steaks ask for a rest after the published temp. The safety note at the bottom still applies.
Is the doneness scale a food-safety certificate?
No. The pair tool and the recommended temp are teaching numbers from this atlas. Use the printed sheet and your own thermometer. This page is not a medical or hygiene certificate.
Chutoro
663highland · CC BY 2.5

The meeting point between the savour of the lean loin and the fat of the belly. If otoro is spectacle, chutoro is balance — which is why it usually anchors a course rather than closing it.

Profile

Fat75
Umami90
Rarity80
Price88

Pairs with

Sushi & sashimi95
Tataki50

Recommended cooking

RawSashimi

Less cloying than otoro, so it can be eaten piece after piece without tiring the palate.

How to pick it

Pink flesh with fine white fat lines showing faintly through rather than sitting on top.

Grading & naming

Mid-fat belly; grade talk is really about boat and handling.

Grading systems →

Nutrition · Per 100 g raw edible portion

253kcalCalories
24gProtein
17gFat
4.5gSaturated fat

Calories & protein →

Next steps

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Temperatures are guidance for whole-muscle cuts. Ground meat and poultry need 71°C / 160°F throughout.