Massaman Curry with Chicken, Potatoes and Peanuts

Among Thai curries, Massaman is known for its mellow heat, coconut-rich sauce and warm spice character rather than sharp chilli intensity. Chicken, potatoes and onion simmer together until the meat is tender and the potatoes absorb the savoury-sweet curry base. Tamarind brings a gentle acidity, fish sauce adds depth, and palm sugar rounds the sauce without making it cloying. Finished with roasted peanuts and lime, it is creamy, nutty and satisfying, especially served hot with rice to catch the sauce.
Cuisine style Thai curry
Spice level Mild
Cooking style One-pot cooking • Meal prep friendly • Freezer-friendly
Time commitment Under 2 hours

Why this recipe works

  • Layered curry base: Cooking the curry paste in oil and coconut milk helps release its spices before the chicken and potatoes simmer in the sauce.
  • Balanced sweet-sour finish: Palm sugar, fish sauce, tamarind and lime create the characteristic balance of sweetness, saltiness and gentle tang.
  • Rich, smooth sauce: Coconut milk gives the curry body, while waxy potatoes hold their shape and make the sauce feel hearty without becoming heavy.

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Authenticity notes

  • Massaman character: Massaman is known for a milder, warmer spice profile than many Thai curries, often pairing coconut milk with potatoes, onions and nuts.
  • Core seasoning balance: Fish sauce, palm sugar and tamarind are important to the curry’s savoury-sweet-sour profile; adjust them to taste rather than making the sauce only sweet or salty.
  • How to serve it: Steamed jasmine rice is the natural pairing, soaking up the coconut sauce without competing with the curry’s warm spices.

Ingredient notes

  • Choose waxy potatoes: New or other waxy potatoes keep their shape during simmering, giving the curry distinct tender pieces rather than a starchy, broken sauce.
  • Use full-flavoured coconut milk: A good coconut milk gives the sauce richness and body; very thin versions can make the curry taste flatter.
  • Adjust the tang at the end: Tamarind gives the curry depth, while lime adds freshness just before serving. Add the lime gradually so the sauce stays rounded.

Common mistakes

  • Boiling the coconut milk: Keep the curry at a gentle simmer. A hard boil can make the coconut sauce look oily or rough rather than smooth.
  • Rushing the potatoes: Check the potatoes before serving; they should be fully tender in the centre so the curry eats as a complete stew.
  • Adding too much fish sauce early: Fish sauce becomes more pronounced as the curry reduces, so taste near the end before adding any extra seasoning.

Make-ahead tips

  • Good for leftovers: The curry keeps well because the sauce and potatoes absorb flavour as they rest, making it a strong next-day meal.
  • Reheat gently: Warm slowly in a saucepan until piping hot, loosening the sauce with a little water if it has thickened in the fridge.
  • Freezer-friendly: Cool completely before freezing, then defrost overnight in the fridge and reheat gently to protect the texture of the sauce.

Equipment you'll need

Ingredients
Instructions
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  1. Heat the vegetable oil in a large pot over medium heat. Add the onion and cook for 6 to 8 minutes, stirring, until softened and lightly golden.
  2. Stir in the massaman curry paste and cook for 1 to 2 minutes until fragrant and the oil starts to separate slightly. Pour in about a third of the coconut milk and simmer for 2 minutes, stirring to make a smooth sauce.
  3. Add the chicken and turn to coat in the curry sauce. Cook for 3 to 4 minutes, stirring occasionally, until the outside turns opaque.
  4. Add the potatoes, remaining coconut milk, palm sugar, fish sauce and tamarind paste. Bring to a gentle simmer, then cook for 25 to 30 minutes, stirring now and then, until the potatoes are tender and the chicken is cooked through.
  5. Stir in the roasted peanuts and simmer for 2 minutes. Squeeze in lime juice to taste, then serve hot.

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Recipe notes

Tips

  • Keep the curry at a gentle simmer rather than a rapid boil so the coconut milk stays rich and smooth.
  • If you are serving anyone who is pregnant, elderly, or immunocompromised, make sure the chicken is cooked until piping hot all the way through.

Substitutions

  • Replace chicken thighs with chicken breast for a leaner curry; add it for the final 12 to 15 minutes so it stays juicy.
  • Replace palm sugar with light brown sugar for a similar sweetness.
  • Replace roasted peanuts with cashew nuts for a softer, creamier nuttiness.

Storage

  • Refrigerate up to 3 days
  • Cool completely, then refrigerate in a sealed container. Reheat gently in a saucepan over low heat until piping hot, adding a splash of water if needed to loosen; freeze for up to 2 months and defrost overnight in the fridge before reheating.

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Recipe overview

  • Servings: 4 servings
  • Total time: 1h (20min active)
  • Difficulty: Medium
  • Cuisine: Thai
  • Allergens:
    Fish Peanuts
One pot Freezer friendly Kid friendly

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