Cooking in
British Columbia
Thai · Bangkok
Pad Cha — Fingerroot Rhizome Stir-Fry / ผัดฉ่า
Pad cha is a fiercely aromatic stir-fry built on fingerroot (krachai, Boesenbergia rotunda), green peppercorns on the vine, fresh chillies, holy basil, and kaffir lime leaf. It is applied almost exclusively to seafood — whole fish, squid, prawn, or shellfish — and produces an intensely fragrant, slightly peppery result that the floral, medicinal krachai uniquely achieves. The dish is named for the sound of the ingredients hitting the wok (cha = the sizzle-splash sound). Krachai julienned into thin strips is the signature textural element — it should be visible and slightly crispy. The heat level is high; this is not a mild stir-fry.
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Cook
I
The Market List
The benchmark for each ingredient, and who stocks it near you. Tap a stockist to go straight to the product.
600 g
seafood
whole fish, squid, large prawn, or shellfish — robust cuts only
Your own market
80 g
fresh or frozen krachai (fingerroot, Boesenbergia rotunda)
peeled and julienned into thin strips — not pounded, not pureed
Not yet stocked in British Columbia
30 g
fresh green peppercorns on the vine
kept on the vine, whole
Not yet stocked in British Columbia
4
fresh red or green chillies
sliced on the bias
Your own market
6
kaffir lime leaves
torn, central rib removed
Not yet stocked in British Columbia
1 large handful
holy basil leaves
picked; added last
Not yet stocked in British Columbia
3 tbsp
vegetable oil
Seasoning
2 tbsp
fish sauce
Your own market
1 tbsp
oyster sauce
1 tsp
light soy sauce
Not yet stocked in British Columbia
1 tsp
sugar
Your own market
Each tap is counted, so the stockist sees the demand Provenance sends them.
II
The Method
1
Prepare all components before the wok is lit: peel and julienne the krachai into thin strips, strip the holy basil, tear the kaffir lime leaves, and dry-pat the seafood so that no surface moisture hits the wok and kills the heat. Have the peppercorn vines, sliced chillies, and all measured seasoning liquids within arm's reach, because the dish is done in under two minutes of active heat and there is no pause to search for anything. Nothing is added during cooking that has not already been measured — preparation is the discipline.
From the canon — Boesenbergia rotunda — krachai (Thai), Chinese keys, fingerroot — a rhizome of the ginger family with a distinctive aromatic profile: a camphor-fresh, slight… Krachai (Fingerroot / Chinese Keys) →
2
Set the wok over the highest available flame and heat until the surface begins to smoke visibly, then add the oil and swirl to coat. Add the krachai strips and the green peppercorn vines immediately, so they contact a surface hot enough to blister and sizzle on impact — this is the cha, the sizzle-splash sound for which the dish is named. Press the peppercorn clusters against the wok surface with a spatula so they blister and char lightly, and let the krachai strips colour at the edges and stiffen slightly; this is where the dish lives or dies, because insufficient heat now means the defining char, smoke, and camphor-floral fragrance are never recovered.
3
Add the seafood to the smoking wok and toss continuously, keeping everything in constant contact with the hottest surface so the high heat sears rather than steams. Add the sliced chillies and torn kaffir lime leaves, then add the fish sauce, oyster sauce, light soy sauce, and sugar in quick succession, tossing between each addition so the seasonings caramelise against the wok rather than pooling and going flat. The seafood is done when opaque through for prawn and squid, or when the flesh at the bone of a whole fish pulls cleanly — judge by colour and resistance, not by time.
From the canon — Fish sauce — nam pla — is the universal salt of the Thai kitchen. Fish Sauce (Nam Pla): Selection and Use →
4
Remove the wok from the flame before adding the holy basil leaves, then fold them through the residual heat only, so they wilt and release their clove-anise fragrance without returning to direct fire, which would blacken them and turn them bitter. The leaves should collapse and perfume the dish within seconds. Plate immediately; pad cha does not hold.
III
Quality Hierarchy
01
Reserve — Live or day-boat seafood; fresh krachai rhizome sourced directly from a Thai or Cambodian grower — the fingers plump, gold-skinned, and free of desiccation; fresh green peppercorn clusters cut that morning; wild-harvested holy basil.
02
Estate — Market-fresh whole fish or shell-on prawn; fresh krachai from a specialist Asian grocer; fresh green peppercorns from a reliable Thai produce supplier; garden-grown holy basil.
03
Market — Good-quality squid or prawn from a reputable fishmonger; frozen krachai, fully thawed and dried before julienning — acceptable and widely used; fresh green peppercorns where available, otherwise brine-packed rinsed well; supermarket holy basil used generously.
04
House — Frozen seafood, thawed and thoroughly dried; frozen krachai used directly; brine-packed green peppercorns, rinsed and dried; Thai basil substituted for holy basil as a last resort — the dish changes character but remains coherent.
IV
Sensory Tests
◇Sound. A fierce, continuous sizzle-splash — the cha — the instant krachai and peppercorns contact the wok; any softening of that sound signals the wok has cooled and heat must be restored before the seafood is added.
◇Sight. Krachai strips are visibly distinct, edge-crisped, and lightly coloured; green peppercorn clusters show char blisters on their skins.
◇Sight. Prawn or squid is fully opaque; a whole fish yields cleanly at the bone under gentle pressure from the spatula.
◇Smell. Holy basil releases its clove-anise note the moment it contacts the residual heat of the turned-off wok — the dish is ready to plate at that instant.
◇Where it lives or dies. The dish lives or dies at the moment krachai and green peppercorns meet the wok: without a fiercely smoking surface, the defining char, blister, and camphor-floral volatiles of pad cha are never achieved.
Pillar V
Cross-cuisine parallels are part of membership.
The dishes this one teaches you, across the cuisines — on every recipe.
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VI
What to Pour
The pairing
Sake
From British Columbia
Beer
Without alcohol
Americano — Burundi Kayanza (Gatukuza Women Group)
Gatukuza Women Group
Not yet stocked in British Columbia
Coffee
Each tap is counted, so the stockist sees the demand Provenance sends them.
Why each one works is part of membership — Enter · from $49 a year →
The whole pairingPillar 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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The working kitchen
Sourced through Provenance