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Japanese · Yokohama

Japanese Chāshū: Braised Pork Belly and the Ramen Centrepiece

Chāshū (derived from Chinese char siu, 'fork-roasted') has evolved in Japan into a distinctly different preparation from its Hong Kong progenitor — where Chinese char siu is oven-roasted with honey-soy glaze and red fermented tofu, Japanese chāshū is most commonly pork belly (or shoulder) rolled into a tight cylinder, tied, and slow-braised in a mixture of soy sauce, sake, mirin, and sugar until completely tender and saturated with the braising liquid. The roll format produces cross-section slices of uniform concentric rings — the distinctive chāshū appearance in ramen bowls. The braising liquid does double duty: during the braise, it penetrates and flavours the meat; after chilling, the liquid becomes a highly concentrated tare used to season the ramen broth. The post-braise technique is critical for quality: the chāshū is refrigerated in its braising liquid overnight, which firms it for clean slicing (warm chāshū falls apart under the knife), deepens the colour to a rich mahogany, and allows the fat cap to solidify for precise portioning. Service technique: chāshū sliced and either returned to the ramen bowl directly or briefly blowtorched on the fat side to develop Maillard char — the blowtorch variant produces smokier, caramelised surface notes that differentiate high-end ramen presentations. The braising liquid can be refreshed and re-used for multiple batches — it becomes more complex with each use, gaining depth from previous cooking sessions.

‹Swipe for the next dish›
ServesFour portions (as ramen topping; the roll yields approximately 8–10 slices)
Sourced1of 6 in BC
Cook
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I

The Market List

The benchmark for each ingredient, and who stocks it near you. Tap a stockist to go straight to the product.

800 g
pork belly
skin-on, in one flat slab
Your own market
For the braising liquid
100 ml
100 ml
sake
Not yet stocked in British Columbia
100 ml
mirin
Not yet stocked in British Columbia
30 g
sugar
Your own market
200 ml
water
or as needed to barely submerge the roll
Your own market

Each tap is counted, so the stockist sees the demand Provenance sends them.

II

The Method

1
Lay the pork belly flat, skin-side down. Roll it into a tight cylinder along its length. Secure with kitchen twine tied at 2 cm intervals along the entire roll. Each tie must be firm — the roll holds its shape only under consistent tension across its full length. The cylinder should show no loose folds when lifted. Done when the roll is rigid and uniform end to end.
2
Combine the soy sauce, sake, mirin, and sugar in a heavy-based pot or Dutch oven just wide enough to hold the roll. Add the rolled pork belly and pour in water until the pork is barely submerged. Bring to a simmer over medium heat. Reduce to the lowest flame that sustains a gentle, occasional bubble — never a rolling boil. Rotate the roll every 30 minutes to ensure even penetration of the braising liquid. Done when a skewer meets no resistance at the centre of the roll.
3
Remove the roll from the pot. Transfer it to a container and pour all braising liquid over it. Allow to cool to room temperature, then refrigerate overnight, fully submerged in the liquid. Done when the fat cap is firm and opaque to the touch and the liquid has set to a light gel.
4
Lift the roll from the chilled liquid. Remove the twine. Using a sharp knife, slice into rounds of approximately 1–1.5 cm thickness. The cross-section should show clean, concentric rings of fat and meat with no tearing or compression. Done when the cut face is smooth and the rings hold their form.
5
For the blowtorch finish: place slices fat-side up on a heatproof surface and apply direct flame to the fat cap until Maillard browning develops — a mahogany, lightly caramelised surface with faint char at the edges. Done when the fat glistens and carries visible colour without scorching through to the meat.
6
Pour the reserved braising liquid into a small saucepan. Reduce by half over medium heat, adding further soy sauce and mirin to concentrate. This is the tare — the seasoning base for the ramen broth. Done when the liquid coats a spoon and carries a deep, sweet-salt intensity on the palate.
From the canon — Tonkotsu ramen broth requires 12-18 hours at a rolling boil — not a simmer, a boil — to extract, emulsify, and suspend the collagen, fat, and marrow from por… Ramen Broth — The 12-Hour Extract →
III

Quality Hierarchy

01
Reserve — Heritage-breed pork belly — Kurobuta (Berkshire) or equivalent — with thick, even fat cap and deep marbling; aged soy sauce (tamari or marudaizu); braising liquid carried across multiple batches for compounded depth.
02
Estate — High-welfare, single-farm pork belly with consistent fat layering; good-quality Japanese soy sauce and hon-mirin (not mirin-style condiment); blowtorch finish applied to order.
03
Market — Standard pork belly from a reputable butcher; commercial Japanese soy sauce and mirin; overnight chill observed; braising liquid reduced to tare.
04
House — Supermarket pork belly; general-purpose soy sauce; braising liquid discarded — the dish loses its secondary yield and much of its depth.
IV

Sensory Tests

◇Touch. The tied roll is rigid and shows no loose folds when lifted — twine holds consistent tension at every 2 cm interval.
◇Touch. A skewer inserted to the centre of the braising roll meets no resistance — the pork is fully tender throughout.
◇Touch. After overnight refrigeration, the fat cap is firm and opaque; the braising liquid has set to a light gel around the roll.
◇Sight. Sliced cross-sections show clean, concentric rings of fat and meat with no tearing — the cylinder has held its form through braising and chilling.
◇Sight. Blowtorched fat cap carries mahogany caramelisation with faint char at edges; no scorching penetrates to the meat layer.
◇Smell. During braising, the soy-mirin steam carries a sweet, caramel-savoury note — sharp alcohol from the sake dissipates within the first 20 minutes, signalling the liquid has cooked through.
◇Where it lives or dies. The roll must be tied at 2 cm intervals with firm tension before braising — an under-tied cylinder unravels in the pot, destroying the uniform cross-section that defines chāshū.
Pillar V
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The dishes this one teaches you, across the cuisines — on every recipe.
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VI

What to Pour

The pairing
Nikka From The Barrel
Nikka Whisky — Miyagikyo Distillery · Miyagikyo — Nikka Distillery
Not yet stocked in British Columbia
Whisky
From British Columbia
Fort Berens Riesling
Fort Berens Estate Winery · Lillooet
Not yet stocked in British Columbia
Wine
Without alcohol
GT's Synergy Organic Kombucha — Gingerade
Not yet stocked in British Columbia
Non-alcoholic

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The whole pairing
Pillar VII
Origin and lineage are part of membership.
Where the dish comes from and how it came to be — on every recipe.
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Sourced through Provenance

The hands behind the plate.

Purely Artisan Foods
San Diego · soy sauce
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