Thai
Nam Prik Kapi (Roasted Shrimp Paste Relish)
The most fundamental of all Thai relishes — a preparation of roasted shrimp paste (kapi) pounded with fresh chilli, garlic, lime juice, palm sugar, and fish sauce, served alongside raw and blanched vegetables (phak nam prik), a fried or grilled fish, and steamed rice. Nam prik kapi is not a condiment placed beside a main course — it is itself the meal, the centre around which the accompaniments are arranged. Thompson considers this preparation among the most important in the Thai canon precisely because of what it reveals: the Thai cook's mastery of the four-flavour balance in a preparation stripped of all complexity beyond the essential. A perfectly balanced nam prik kapi is a study in pure Thai flavour.
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How the 5 are reached
- Not yet within reach
- 5 · shrimp paste (kapi), palm sugar, wing beans, long beans, white cabbage
I
The Market List
The benchmark for each ingredient, and who stocks it near you. Tap a stockist to go straight to the product.
2 tbsp
shrimp paste (kapi)
wrapped in foil, roasted until fragrant and slightly caramelised — 3 minutes per side
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4–6
large garlic cloves
unpeeled, charred directly over a gas flame or under a very hot grill until exterior is black and interior soft
Your own market
3–4
shallots
unpeeled, charred alongside the garlic
Your own market
5–10
fresh bird's eye chillies (prik kee nuu)
quantity adjusted to desired heat
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45 ml
lime juice
from 2–3 limes; reserve a little for service
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1 tbsp
palm sugar
dissolved
Origin · IndonesiaNot yet within reach of Saanichton · each reach is counted
1 pinch
salt
Your own market
to taste
fish sauce
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To serve
1 whole
fried mackerel or fried salted fish
whole, fried
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as required
raw cucumber
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as required
wing beans
blanched
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as required
long beans
raw
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as required
fresh eggplant
halved, raw
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as required
white cabbage
steamed
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as required
steamed white rice
Your own market
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The Method
1
Wrap the kapi in foil and roast under a hot grill or in a dry pan for 3 minutes per side, so the heat drives off the raw ammonia edge and coaxes a deep, caramelised fragrance from within the paste. The paste is ready when it smells caramelised and deeply fragrant — not raw-sharp, not scorched. Set aside.
2
Hold the unpeeled garlic cloves and shallots in tongs directly over a gas flame, or arrange them under a very hot grill, keeping the skins on so the interior steams and sweetens in its own moisture rather than drying out. Char until the outer skin is black and the interior yields when pressed — soft, sweet, and caramelised within. Discard the charred skins.
3
Pound the peeled charred garlic, charred shallots, and fresh chillies in a mortar with a pinch of salt, working in a steady circular-and-press motion so the salt helps break the fibres and binds the mass rather than letting it skid around the bowl. The mass should hold together — not be a liquid.
4
Add the roasted kapi and pound to integrate fully, so the oils of the paste bind with the crushed aromatics rather than sitting in separate pockets. The paste should remain coarse — a rough, slightly sticky texture, not a smooth sauce, because that texture is part of the identity of this relish.
5
This is where the dish lives or dies. Season with fish sauce, lime juice, and dissolved palm sugar, tasting carefully across all four registers in sequence: the first second delivers lime and fish sauce — sharp and salty; the second and third seconds bring the palm sugar rounding into the mid-palate; the caramel depth of the charred garlic follows; the chilli's heat builds and sustains at the back. The roasted shrimp paste operates throughout as an amplifying base-note, deepening the perception of every other flavour without asserting itself directly — adjust each register, more lime for acidity, fish sauce for salt, palm sugar to round, additional chilli for heat, until the progression is correct.
From the canon — Fish sauce — nam pla — is the universal salt of the Thai kitchen. Fish Sauce (Nam Pla): Selection and Use →
6
Transfer to a serving bowl, then add a small measure of fresh lime juice immediately before service so the volatile top note — bright and sharp — is not lost to the time it took to plate and carry. Arrange the relish at the centre of the table, surrounded by the vegetable plate and fried fish, with steamed white rice alongside.
III
Quality Hierarchy
01
Reserve — Artisan-produced Thai kapi from a single coastal source, with full, deep fermented character and no filler; unrefined palm sugar from fresh-pressed coconut palm sap; small, intensely hot fresh prik kee nuu from a Thai or Vietnamese market; limes pressed to order.
02
Estate — Good-quality imported Thai kapi (Pantainorasingh or equivalent), unrefined palm sugar in disc or block form, fresh bird's eye chillies sourced from a specialist Asian grocer.
03
Market — Any reputable shrimp paste properly roasted, palm sugar from a general Asian supermarket, bird's eye chillies sourced fresh rather than frozen.
04
House — Supermarket shrimp paste, granulated sugar substituted for palm sugar (the rounding quality is diminished), any small fresh chilli of sufficient heat. The dish remains coherent if the roasting and charring steps are executed correctly.
IV
Sensory Tests
◇Smell. Roasted kapi smells caramelised, deep, and moderately marine — the raw fermented sharpness and ammonia-edge are present but overlaid with Maillard caramelisation. Any scorched or acrid note indicates over-roasting; any raw-sharp, pungent-sea note indicates insufficient roasting.
◇Sight. The finished relish holds as a rough, slightly sticky paste. It does not pool or run in the mortar. A liquid consistency indicates insufficient pounding.
◇Touch. The charred garlic and shallots, when squeezed from their skins, yield completely — soft, collapsed, and sweet-smelling. Any resistance in the centre means the charring has not penetrated fully.
◇Smell. Charred garlic skins smell of carbon and smoke; the interior, once exposed, smells sweet and roasted — this is the correct aromatic for the relish, distinct from raw garlic's sharp, volatile note.
◇Where it lives or dies. The four-flavour balance achieved at the final seasoning stage decides the dish: sharp and salty first, sweetness rounding at the mid-palate, garlic's caramel depth following, and chilli heat sustained throughout — with the roasted shrimp paste amplifying every register from below without itself being a discrete flavour.
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