Cooking in
South Australia
Thai
Gaeng Phet — Red Curry Benchmark / แกงเผ็ด
Gaeng phet (hot curry) is the red curry — the most forgiving to execute and the most common curry in everyday Thai home cooking. Its success depends on the quality of the red curry paste and the discipline to fully cook the paste before adding liquid. Unlike green curry's fresh brightness, red curry develops a deeper, more settled flavour from the dried chilli base. Duck (ped) is considered the benchmark protein — the fat rendering from duck skin enriches the coconut sauce; lychees or grapes provide sharp sweetness against the heat. Beef and pork are common alternatives; chicken is possible but typically overcooked by the time the curry has fully developed. The finishing elements — kaffir lime leaves, horapha basil — are identical to green curry.
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Cook
I
The Market List
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400 ml
coconut cream
full-fat, for frying the paste
200 ml
coconut milk
Origin · Sri Lankan coconut (Coconut Research Institute of Sri Lanka), Sri Lanka
60–80 g
red curry paste
good-quality prepared or hand-pounded
4
confit duck legs
or slow-cooked duck, skin on
Your own market
200 g
canned lychees
drained and whole
Origin · New Zealand
2 tbsp
fish sauce
plus more to taste
Your own market
1 tbsp
palm sugar
shaved or grated
Origin · Indonesia
6
kaffir lime leaves
torn, central rib removed
1 handful
horapha (Thai holy basil)
leaves picked
2
red chillies
sliced on the diagonal
2
green chillies
sliced on the diagonal
II
The Method
1
Pour the coconut cream into a wok or wide saucepan over medium heat and bring to a steady simmer, stirring occasionally. Reduce by one-third until the cream thickens and the surface oil begins to pool — this separation is what you are working toward, because the freed coconut fat will later fry the paste rather than merely heating it. The cream is ready when it looks glossy and slightly separated.
2
Add the red curry paste to the reduced coconut cream and fry it, pressing and folding it continuously into the fat, so the raw, sharp smell of uncooked galangal, lemongrass, and dried chilli gives way to a deep, toasted fragrance — undercooked paste will produce a thin, flat curry that no subsequent step can correct. This is where the dish lives or dies: the paste must smell cooked, not merely hot, before any liquid is added. Keep the heat at medium and do not hurry the fold.
From the canon — The foundational red curry paste of the Thai kitchen — built on dried long red chillies soaked and pounded with lemongrass, galangal, kaffir lime zest, coria… Red Curry Paste (Krung Gaeng Phet Daeng) →
3
Pour in the coconut milk and stir to combine, scraping any paste from the base of the wok so no pocket of concentrated spice is left to scorch. Bring to a gentle simmer; the sauce should settle to an even, deep-orange red with no pale streaks of unincorporated paste.
From the canon — Fresh coconut milk — extracted from freshly grated coconut flesh rather than purchased in a can — and the technique of 'cracking' it: heating the thick, fat-… Coconut Milk: Cracking, Frying, Reducing →
4
Add the duck legs, torn kaffir lime leaves, fish sauce, and palm sugar, then simmer over medium-low heat, turning the duck once, until it is heated through and its rendered fat has integrated with the coconut sauce, giving the curry a richer, more unctuous body than it had before. Taste after the duck has cooked for several minutes and adjust fish sauce and palm sugar to balance salt against sweetness, accounting for the additional fat and juices the duck has released.
From the canon — Fish sauce — nam pla — is the universal salt of the Thai kitchen. Fish Sauce (Nam Pla): Selection and Use →
5
Add the drained lychees in the final 2 minutes of cooking so they warm through without losing their shape — lychees held in a boiling curry quickly collapse to a pulp and their delicate sweetness is lost. Heat through without further stirring; they should be warm and intact, yielding slightly when pressed but not collapsed.
6
Scatter the sliced red and green chillies and the horapha basil leaves over the surface, then remove the wok from the heat immediately so the residual warmth is enough to just wilt the basil without cooking it to a dark, bitter slick. The chillies should hold their colour and the basil should remain bright — both are textural and visual elements, not further seasoning. The finished curry should coat a spoon richly, with no excess liquid pooling at the base of the bowl.
III
Quality Hierarchy
01
Reserve — Hand-pounded red curry paste made to order; confit duck leg from a dry-aged bird; fresh kaffir lime leaves; fresh lychees when in season.
02
Estate — Artisan prepared red curry paste from a Thai producer; good-quality slow-cooked duck leg; fresh kaffir lime leaves; whole canned lychees in light syrup.
03
Market — Reliable commercial red curry paste (Maesri or equivalent); confit duck from a reliable charcutier or deli; dried kaffir lime leaves rehydrated; canned lychees.
04
House — Any commercial red curry paste used generously; cooked duck from a roast; dried lime leaves; canned lychees — the dish remains recognisable if the paste is properly fried.
IV
Sensory Tests
◇Smell. The frying paste smells toasted and cooked — the sharp, raw chilli edge has fully disappeared before coconut milk is added.
◇Sight. Orange-red oil separates visibly around the paste during frying; later, the finished sauce coats the back of a spoon with no watery pool beneath.
◇Touch. Lychees yield slightly under gentle pressure but hold their form — they are warm through without having collapsed.
◇Sight. Sliced chillies and basil leaves retain their colour at the point of service, indicating they were added off or nearly off the heat.
◇Where it lives or dies. The paste must be fried in the reduced coconut cream until the fat separates fully and the raw smell is entirely gone — the curry cannot recover from an undercooked paste.
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VI
What to Pour
A cold, lightly bitter lager or a crisp, off-dry Riesling — the slight residual sweetness in either cuts through the coconut fat and provides contrast to the warm depth of the dried chilli base without competing with the palm sugar balance.
The whole pairingPillar VII
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The working kitchen