Gaeng Kari — Yellow Curry Technique / แกงกะหรี่

Ingredients

• 400 ml coconut milk, full-fat
• 500 g chicken, bone-in thighs or breast, cut into even pieces
• 300 g waxy potatoes, peeled, cut into even pieces
• 80 g yellow curry paste, store-bought or homemade
• 2 tbsp palm sugar, shaved or grated
• 2 tbsp fish sauce
• 1 tsp curry powder, reserved for finishing, off heat
• 1 tsp ground turmeric
• For the taek man (fat separation)
• 100 ml coconut cream, the thick layer skimmed from the top of the tin, or tinned coconut cream

Method

1. 1
   Place the coconut cream in a wok or wide heavy saucepan over medium heat and cook, stirring occasionally, until the cream separates — the oil rises visibly and the solids begin to fry rather than simmer — because only fat that has fully split from the milk is hot enough to bloom the paste properly in the next step. The surface will look glossy and the fat will pool at the edges; this is taek man. Do not proceed until separation is clear to the eye.
2. 2
   Add the yellow curry paste to the separated coconut fat and fry, pressing and folding the paste continuously into the hot oil, until it is fully aromatic and the turmeric and curry powder have darkened one shade — longer than you would fry a red or green paste, because the dried spices in a yellow paste need more contact with the fat to shed their raw, floury edge and open into something toasted and round. This is where the dish lives or dies: under-fried paste will leave the curry sour and harsh from the curry powder. The paste is ready when the raw starchy smell has gone and the spice notes are open and toasted.
3. 3
   Add the chicken pieces and turn to coat thoroughly in the paste, frying until the surfaces are sealed and opaque with no translucent flesh visible, so that the spiced fat clings to the meat rather than being washed off when the coconut milk goes in. Work quickly and keep the pieces moving so the paste does not catch on the base of the wok.
4. 4
   Pour in the remaining coconut milk in a single large addition and add the waxy potato pieces, stirring to combine so the paste disperses evenly through the liquid rather than clumping around the chicken. The volume of liquid should be generous — this curry should remain saucy throughout cooking and must not be allowed to reduce to a concentrated state.
5. 5
   Simmer over medium-low heat until the potatoes are just tender and holding their shape and the chicken is cooked through, keeping the heat gentle so the coconut milk stays cohesive and does not break into a greasy, split sauce. Test the potatoes with a skewer: it should pass through with slight resistance, not collapse. The sauce should coat a spoon lightly but pour freely.
6. 6
   Season with fish sauce and palm sugar, adding the palm sugar gradually and tasting as you go, because the balance here should read sweet first, then savoury, with the spice as background warmth — notably sweeter than a red or green curry. Adjust the fish sauce against the sugar until neither dominates the other and the spice settles into the background.
7. 7
   Remove from heat and stir in the reserved pinch of fresh curry powder off the heat, so the volatile top notes — the bright, sharp edge of the powder — are not cooked away before the dish reaches the table. Serve immediately.