
Lamb Saag
The BIR lamb saag: pre-cooked lamb in a deep green spinach gravy with onion, ginger, garlic and garam masala.
Overview
A quick British curry-house version of classic Punjabi saag gosht, combining pre-cooked lamb and bright spinach puree for a rich, green sauce. Similar to slow-cook authentic versions, this recipe delivers deep, buttery flavour in a fraction of the time.
Ingredients
Spinach puree
- 225 g (8 oz) baby spinach leaves
- A little water (or spice stock)
- 3-6 fresh green bullet chillies, to taste
- Bunch coriander leaves (cilantro), leaves only
Aromatics and spices
- 4 tbsp ghee, rapeseed (canola) oil or seasoned oil
- 1 onion, finely chopped
- 2 tbsp garlic paste and 1 tbsp ginger paste*, or 3 tbsp garlic and ginger paste
- 3 tbsp finely chopped coriander stalks
- 1 tbsp ground cumin
- 1 tbsp ground coriander
- 1 tbsp Mixed Powder
- 1 tsp chilli powder
- 180 ml (¾ cup) tomato purée
Sauce and protein
- 375 ml Curry Base Gravy
- 750 g Pre-cooked Lamb
- 200 ml (generous ¾ cup) Lamb stock (or stock from Pre-cooked Lamb)k
Finishers
- 2 tbsp plain yoghurt
- 1 lemon (juice)
- 1 tbsp Garam Masala
Method
Stage 1 - Make spinach paste
- Blend spinach, chillies, and coriander leaves with water/spice stock to a smooth paste. Set aside.
Stage 2 - Fry onions and spices
- Heat ghee/oil in a frying pan over medium-high.
- Add onion and fry 5 minutes until translucent.
- Add garlic and ginger paste; sizzle 30 seconds.
- Add coriander stalks, cumin, ground coriander, mixed powder, and chilli powder; stir.
Stage 3 - Build curry base
- Add tomato purée, then 250 ml (1 cup) base curry sauce; simmer.
- Add remaining base sauce and stock; simmer briefly, stirring in any caramelized edges.
Stage 4 - Add lamb and spinach
- Add lamb and heat through.
- Add spinach puree and simmer 2 minutes (colour deepens).
- Adjust thickness with more base sauce/stock if needed.
Stage 5 - Finish
- Season with salt and pepper.
- Whisk in yoghurt 1 tbsp at a time.
- Add lemon juice and garam masala.
Notes
- Serves well with plain or pilau rice.
- Add chickpeas or potatoes for extra texture.
- Use ghee for additional richness.
Serving
- Serve hot with naan, chapati, or rice.
- Garnish with fresh coriander and a chili slice.
Storage
- Refrigerate 2-3 days in an airtight container.
- Freeze up to 2 months; thaw fully before reheating.
- Reheat gently with a splash of stock or water.
- Best eaten within 24 hours for best flavour.
Other ideas
- Chickpeas or pre-cooked potatoes can be added for more substance.
*To make fresh garlic paste, blend 2-4 cloves with enough water. For ginger paste, blend a 5 cm (2 in) piece of ginger with water.
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