P
Chinese · Guangdong Province
Cantonese Suckling Pig (Kao Ru Zhu) Roast Tradition
Roasted suckling pig is the centrepiece of Cantonese ceremonies — weddings, business openings, festival banquets, grave-sweeping (Qingming). The whole pig, 3–5 kg, is marinated with five spice, fermented tofu, hoisin, and Shaoxing wine, then roasted in a dedicated oven over lychee wood for 2+ hours, basted constantly. The skin blisters into cracking 'glass skin' (jou pei) or 'milk skin' (nai you pei).
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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.
1 (3–5 kg)
suckling pig
whole, cleaned
Not yet stocked in British Columbia
For the cavity marinade
2 tsp
five-spice powder
Not yet stocked in British Columbia
3 tbsp
3 tbsp
hoisin sauce
Not yet stocked in British Columbia
3 tbsp
Shaoxing wine
Not yet stocked in British Columbia
For the basting glaze
3 tbsp
maltose
loosened with a little warm water
Not yet stocked in British Columbia
2 tbsp
rice vinegar
Your own market
4–6
bamboo skewers or rods
long, to brace and stretch the cavity
Not yet stocked in British Columbia
Each tap is counted, so the stockist sees the demand Provenance sends them.
II
The Method
1
Combine the fermented tofu, hoisin sauce, Shaoxing wine, and five-spice powder into a smooth paste. Open the cleaned cavity of the pig and apply the marinade heavily and evenly to all interior surfaces. The exterior skin receives no marinade. Leave to marinate; the cavity must be saturated, the skin surface entirely untouched.
From the canon — Five-spice powder (wu xiang fen) is the most important Chinese spice blend — typically: star anise, Sichuan pepper, Chinese cinnamon (cassia), cloves, and fe… Five-Spice Powder — The Blend and Its Logic (五香粉) →
2
Insert bamboo skewers or rods across the width of the cavity to hold it fully open. Air must circulate freely inside the pig during roasting — collapse of the cavity traps steam and prevents even cooking. The pig should be braced taut, skin side presenting a single unbroken surface.
3
Pat the exterior skin thoroughly dry. This is where the dish lives or dies: any residual moisture on the skin surface will prevent the fat beneath from blistering into the lacquered, shattered crust — whether the crackled jou pei or the smooth nai you pei — and the roast cannot be recovered once heat is applied. The skin must feel papery and taut to the touch before the pig enters the oven.
4
Place the pig in a dedicated roasting oven — traditionally fired with lychee wood — at high heat, 250 °C. Hold this temperature until the skin begins to blister and colour, the surface contracting and lifting in places. The smell shifts from raw pork to a deep, caramelising roast fragrance.
5
Reduce the oven to 200 °C to bring the interior to full doneness without scorching the skin further. Continue roasting; the total time is 2 hours or more depending on the weight of the pig. Baste the exterior repeatedly with the maltose-vinegar glaze throughout this stage, applied in multiple passes, building an even lacquered colour.
6
The pig is ready when the skin has set into an even, deeply lacquered surface — either blistered and bubbled (jou pei) or smooth and glassy (nai you pei) according to the temperature management employed. Tap the surface: it should return a hard, hollow sound, with no give beneath. The first slice must reveal perfectly lacquered skin with an even layer of fat directly beneath.
III
Quality Hierarchy
01
Reserve — A 3–5 kg pig of known provenance, reared for the purpose; lychee-wood-fired dedicated roasting oven; red fermented tofu (nam yu) of quality; hand-applied maltose glaze built in multiple passes by an experienced hand.
02
Estate — A quality suckling pig from a reputable supplier; conventional oven with lychee wood chips or hardwood for fragrance; good-quality hoisin and fermented tofu; careful two-stage temperature management.
03
Market — A commercially sourced suckling pig; standard oven; reliable supermarket hoisin and five-spice; maltose-vinegar glaze applied diligently; skin dried with care — the technique, not the sourcing, carries the dish at this level.
04
House — Many professional Cantonese caterers source the finished pig directly from specialist chun pei shops rather than roasting in-house; this is an accepted and traditional division of labour, not a compromise.
IV
Sensory Tests
◇Touch. Skin feels papery, taut, and entirely dry before roasting — no tacky or damp patches anywhere on the surface.
◇Sight. Exterior builds to a deep, even lacquered colour through repeated basting; blistering or smooth glassing is uniform across the whole surface.
◇Sound. A tap on the finished skin returns a hard, hollow knock — the definitive sign that the crust has set.
◇Sight. First slice reveals lacquered skin with an even, unbroken layer of fat directly beneath — no separation, no sogginess.
◇Where it lives or dies. The skin must be completely dry before any heat is applied — moisture on the surface prevents blistering and no subsequent technique can correct a steamed, rubbery skin.
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VI
What to Pour
The pairing
Agave spirit
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