Saag Gosht (Lamb and Mustard Greens Curry)

Saag gosht brings together slow-simmered lamb and leafy greens in a thick North Indian-style curry with a robust, savoury character. The meat is first browned for depth, then cooked gently in an onion, tomato, ginger and garlic masala until tender enough to sit in the sauce rather than apart from it. Mustard greens give the dish its distinctive earthy edge, with a pleasant bitterness that cuts through the richness of the lamb and ghee. Finished with garam masala, it is hearty without being heavy, and is best served with steamed rice or naan to catch the spiced sauce.
Cuisine style North Indian-style curry
Spice level Medium
Cooking style One-pot cooking • Make-ahead friendly • Freezer-friendly
Time commitment Slow-cooked

Why this recipe works

  • Deep savoury base: Browning the lamb first, then cooking the onions until deeply golden, creates a rich foundation before the spices and tomatoes are added.
  • Glossy masala: Cooking the tomatoes with the spices until the mixture looks glossy helps concentrate the sauce and prevents a raw spice flavour.
  • Balanced greens: Mustard greens add an earthy, pleasantly bitter finish that cuts through the richness of the lamb and ghee.

Get the most out of this recipe

Adjust the heat

  • For a milder curry: Remove the chilli seeds or use less green chilli; the curry will still have warmth from the ground spices.
  • For more heat: Use a hotter green chilli or add an extra one with the ginger and garlic so the heat cooks into the masala.
  • Keep the finish rounded: Taste after the mustard greens have softened, as their bitterness can make the chilli feel sharper before the sauce settles.

Ingredient notes

  • Choose lamb shoulder: Boneless lamb shoulder suits this curry because it becomes tender during the covered simmer while keeping enough richness for the sauce.
  • Use ripe tomatoes if possible: Ripe tomatoes break down more easily and give the masala a fuller, less sharp flavour.
  • Chop the greens roughly: Roughly chopped mustard greens keep some texture and presence in the curry rather than disappearing into the sauce.

Timing notes

  • Most of the time is simmering: The active cooking is mainly browning, building the masala and chopping; the lamb then needs a gentle simmer to become tender.
  • Serve once the greens soften: Add the mustard greens near the end so they tenderise without losing all their colour and texture.
  • Good the next day: Like many slow-simmered curries, the flavour becomes more rounded after chilling and reheating gently.

Make-ahead tips

  • Cook ahead: The curry can be made in advance and refrigerated once completely cool, then reheated gently until piping hot.
  • Loosen the sauce: Add a splash of water while reheating if the sauce has thickened in the fridge or freezer.
  • Freeze leftovers: Freeze in a sealed container, defrost overnight in the fridge, then reheat in a saucepan until bubbling.

Equipment you'll need

Ingredients
Instructions
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  1. Finely slice the onion. Grate the ginger and crush the garlic; finely chop the green chilli. Cut the lamb into bite-sized pieces.
  2. Heat the sunflower oil and ghee in a Dutch oven over medium-high heat. Add the lamb and 1 tsp of the fine sea salt, then brown well for 8 to 10 minutes, turning so you get good colour. Transfer the lamb to a bowl, leaving the fat in the pan.
  3. Reduce the heat to medium and add the onion to the pan. Cook for 10 to 12 minutes, stirring often, until deep golden. Stir in the ginger, garlic and green chilli and cook for 1 minute until fragrant.
  4. Stir in the ground coriander, ground cumin and ground turmeric and cook for 30 seconds. Add the tomatoes and the remaining 1 tsp fine sea salt, then cook for 6 to 8 minutes until the tomatoes break down and the masala looks glossy. Scrape the bottom of the pan as you go so nothing catches.
  5. Return the lamb to the pan and add 500 ml water. Bring to a gentle simmer, cover, and cook for 55 to 65 minutes, stirring occasionally, until the lamb is tender. If it looks dry at any point, add a splash more water to keep it saucy.
  6. Roughly chop the mustard greens, then stir them into the curry. Simmer uncovered for 8 to 10 minutes until the greens are tender and the sauce has thickened slightly. Stir in the garam masala and cook for 1 minute, then taste and adjust seasoning if needed.

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Recipe notes

Serving suggestions

This recipe pairs well with:

Steamed rice Naan

Tips

  • For the best texture, brown the lamb in a single layer so it colours rather than steams; do it in batches if your pan is crowded.
  • Mustard greens can be assertive: if you prefer a milder finish, simmer them for the full 10 minutes so their bitterness softens.
  • If serving vulnerable groups, ensure the lamb is cooked until piping hot throughout and the sauce is bubbling before serving.

Substitutions

  • Replace ghee with sunflower oil for a dairy-free finish, keeping the same amount.
  • Replace tomato with canned chopped tomatoes for convenience, using the same weight.

Storage

  • Refrigerate up to 3 days
  • Cool completely, then refrigerate in a sealed container for up to 3 days. Reheat gently in a saucepan with a splash of water until piping hot. Freeze for up to 3 months; defrost overnight in the fridge before reheating.

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Saag Gosht (Lamb and Mustard Greens Curry)
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Recipe overview

  • Servings: 4 servings
  • Total time: 1h 35min (30min active)
  • Difficulty: Medium
  • Cuisine: Indian
  • Allergens:
    Milk
With serving suggestions One pot Freezer friendly

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