Name: Kaeng Hang Lay (แกงฮังเล) — Northern Thai Burmese-Style Pork Curry
Prep time: 30 min
Cook time: 90 min
Total time: 2 h
Yield: 5 servings
Cuisine: Thai
Ingredients: 300 g pork neck (เนื้อสันคอหมู); 200 g pork belly (เนื้อหมูสามชั้น); 7 dried chillies (พริกแห้ง); 4 dried bird's eye chillies (พริกขี้หนูแห้ง); 3 shallots (หอมแดง); 20 cloves garlic (กระเทียม); 2 tbsp lemongrass, sliced (ตะไคร้ซอย); 1 tbsp galangal, sliced (ข่าซอย); 1 tsp salt (เกลือ); 1/2 tbsp shrimp paste (กะปิหยาบ); 2 tbsp hang lay spice powder (ผงฮังเล); 2 tbsp pineapple (สับปะรด); 1/2 cup ginger, shredded (ขิงซอย); 1/2 cup garlic (กระเทียม); 2 tbsp cane sugar (น้ำอ้อยป่น); 3 tbsp tamarind water (น้ำมะขามเปียก); 2 tbsp roasted peanuts (ถั่วลิสงคั่ว)

Burma's Curry, Lanna's Own

Maejo University's local food archive tells the story plainly: แกงฮังเล is not a Thai invention. The Burmese hin le means "meat curry"; when Burmese trade and rule flowed into the Lanna north, the name softened into "hang lay" and the beef became pork, the meat every northern village had. Sour, salty, sweet in one pot — and, the sources are explicit, no coconut milk, which is exactly why it keeps longer than the southern curries.

It was a celebration dish — Maejo lists weddings, temple merit-making and house blessings, made in big pots because the simmering took hours. That long simmer is the whole technique: Pantip's home cook warns that beginners rush it, and that the flavour only settles with time. Every source agrees the curry is better the next day.

The archive's village informants keep details the recipe sites miss. Mrs Anong, from Nan, swaps ripe santol fruit for the tamarind — local wisdom Aroifin repeats as a tip. Mrs Wijit, from Mae Hong Son, cuts the pork into 2-inch cubes so the paste soaks through. And a Lemon8 cook from Bang Phli adds pickled garlic — sourness that cuts the fat of the belly.

The Recipe (home version, from Aroifin)

Thai	English	Amount
For the curry
เนื้อสันคอหมู	Pork neck	300 g
เนื้อหมูสามชั้น	Pork belly	200 g
ขิงซอย	Ginger, shredded	1/2 cup
กระเทียม	Garlic	1/2 cup
ถั่วลิสงคั่ว	Roasted peanuts	2 tbsp
สับปะรด	Pineapple	2 tbsp
ผงฮังเล	Hang lay spice powder	2 tbsp
น้ำอ้อยป่น	Cane sugar	2 tbsp
น้ำมะขามเปียก	Tamarind water	3 tbsp
For the paste
พริกแห้ง	Dried chillies	7
พริกขี้หนูแห้ง	Dried bird's eye chillies	4
หอมแดง	Shallots	3
กระเทียม	Garlic	20 cloves
ตะไคร้ซอย	Lemongrass, sliced	2 tbsp
ข่าซอย	Galangal, sliced	1 tbsp
เกลือ	Salt	1 tsp
กะปิหยาบ	Shrimp paste	1/2 tbsp

The honey version (Wongnai): honey does double duty as marinade and seasoning, stock replaces water, and a spoon of curry powder goes into the paste. The family pot (Pantip): 800 g belly plus 400 g neck, whole garlic cloves, a full litre of water, dark sweet soy and fish sauce — simmered 1.5–2 hours. The Lanna kitchen notes (Maejo): fish sauce or light soy, palm sugar, 2-inch cubes, no water at the start. The shortcut (Lemon8): ready-made hang lay paste plus pickled garlic.

The Method

The cut. Pork neck and belly into even pieces.
The paste. Chillies, shallots, garlic, lemongrass, galangal, salt and shrimp paste pounded or blended fine.
The marinade. Paste, hang lay powder and pineapple worked into the pork — an hour, until the paste sinks in.
The first fry. A little water in the wok, the marinated pork stirred until it firms, then water topped up as it simmers to tenderness.
The season. Cane sugar, tamarind water, extra garlic and shredded ginger stirred through; simmered to finish.
The finish. Roasted peanuts in, a brief boil, off the heat — served with hot rice or sticky rice.

Where Thai Sources Disagree

The sweetener. Wongnai sweetens with honey, Aroifin with cane sugar, Pantip and Maejo with palm sugar. All three schools insist on the same sour-salty-sweet balance; they only disagree about what carries the sweet.

The spice powder. Wongnai puts a tablespoon of curry powder in the paste; Aroifin uses two tablespoons of hang lay powder — the commercial spice blend sold for exactly this dish; Pantip and Maejo use neither, trusting the fresh pounded paste alone.

The marinade. An hour at Wongnai and Aroifin, at least 30 minutes at Pantip, 15–30 at Maejo. Nobody marinates for seconds — the paste must colour the pork before the pot.

The sour. Tamarind everywhere — but Maejo's Nan informant substitutes ripe santol, and the Lemon8 cook adds pickled garlic for its own sourness against the belly fat.

The pork. Belly plus neck at Wongnai, Aroifin and Pantip; belly or red meat alone at Maejo. Aroifin's tips: pick a belly that isn't too fatty, or use ribs or loin — and chicken works if pork doesn't.

The liquid. Pantip simmers in a full litre of water; Wongnai uses stock; Maejo starts with no water at all and lets the pork render into the paste, adding a little only later. Maejo is emphatic about the end state: the sauce should be thick and clinging (ขลุกขลิก), never soupy.

The extras. Pineapple goes into the marinade at Wongnai and Aroifin; roasted peanuts only at Aroifin. Pantip and Maejo keep the pot bare.

How Western Versions Get It Wrong

Adding coconut milk. The Thai sources are explicit that hang lay has none — Pantip and Maejo both say it's what makes the curry different, and what makes it keep. Coconut milk turns it into a different curry.
Calling it massaman. The two share a Burmese borderland, but hang lay has no coconut milk and no potatoes — it's ginger, garlic and tamarind over long-simmered pork.
Treating it as a quick stir-fry. The dish is the simmer. Pantip's cook says beginners rush it; Maejo's informants cook it up to two hours. Fast versions miss the point.
Red curry paste from a jar. The ginger-forward hang lay paste is the identity of the dish — a generic red paste loses the ginger and garlic that every source builds on.
Making it soupy. Maejo is blunt: a good hang lay is thick and clinging. A wet westernised version is a stew, not hang lay.
Skipping the marinade. Every source marinates the pork in the paste before the pot. Un-marinated pork gives you flavoured gravy and plain meat.

UK Ingredient Notes

Pork neck: Thai and Chinese grocers — pork shoulder or collar work the same way.
Pork belly: any supermarket. Aroifin's tip stands — don't pick the fattiest slab, or swap in ribs or loin.
Hang lay powder and ready-made hang lay paste: Thai grocers and online — the one convenience shortcut the sources themselves allow.
Galangal, lemongrass, dried chillies, shrimp paste, tamarind, palm sugar: Thai grocers, all standard stock.
Ginger, garlic, pineapple and peanuts: any supermarket.
Time: the longer it simmers the better — Pantip and Maejo both note it's even better reheated the next day.

Sources

This recipe is translated from the following Thai-language sources. Where they disagree, we've said so.

1. Aroifin — "วิธีทำ แกงฮังเล อาหารเหนือล้านนา อร่อยกลมกล่อม ใครกินก็ติดใจ!" (the recipe used here, adapted from thaifoodheritage.com) — aroifin.com

2. Wongnai — "วิธีทำ แกงฮังเล เมนูอาหารเหนือรสเข้มถึงใจ ทำง่ายกว่าที่คิด!" by pimtp__ (the honey version) — wongnai.com

3. Maejo University Local Food Discovery — "แกงฮังเล: แกงหมูโบราณที่เดินทางข้ามพรมแดนสู่ครัวล้านนา" (the history and the village informants) — archives.mju.ac.th

4. Pantip — "แกงฮังเล หมูสามชั้นนุ่มเข้าเนื้อ หอมเครื่องเทศแบบล้านนา" by เจ็ดกอ (the family pot) — pantip.com

5. Lemon8 — "สูตรแกงฮังเลล้านนา หมูสามชั้นนุ่มละมุน พร้อมวิธีทำง่ายๆ" by พี่ขุน (the pickled-garlic note) — lemon8-app.com

Johnny Tiger

Johnny researches and translates Thai recipes from Thai-language sources — chefs, restaurants and home cooks in Thailand — and publishes them with their sources cited. No westernised shortcuts, no invented steps.