The protein cooking time listed in this recipe has been updated.
As of December 2025, we’ve revised cooking times for all our proteins to reflect improved food safety guidance.
Check out the latest recommended times in our Cooking Guidelines.
Slow-cooked Lamb Rogan Josh with Tikka Potatoes & Kachumber Salad
This is the star of the show: tender slow-cooked British lamb simmered in Gymkhana's classic Rogan Josh sauce. Pair it with vibrant tikka potatoes, infused with fragrant spices and roasted till golden, and a fresh kachumber salad. Michelin-star quality at your table.
High protein
1/3 daily fibre
6 plants
Low sat fat
Serving size
Ingredients
- 40g baby spinach
- 2 spring onion
- 1 tsp nigella seeds
- 1 unwaxed lemon
- 110g baby tomatoes
- 1 midi cucumber
- 285g rogan josh (use half) (Nuts) (onions (40%), tomatoes, water, rapeseed oil, deggi mirch powder, salt, garlic, ginger, kashmiri chilli powder, fennel, garam masala [spices], cinnamon, black cardamom, green cardamom, turmeric, bay leaves)
- 275g 8 hour slow cooked lamb (lamb, garlic puree, tapioca starch, salt, cumin seeds, black pepper.)
- 1 onion
- 6 baby potatoes
- 1 tbsp curry powder (use half) (Turmeric, coriander, onion, garlic, fenugreek, fennel, chilli powder, black pepper, salt)
Nutritional Information
Calories: 534
Protein: 35g
Carbs: 45g
Fat: 24g
Ingredients
- 1 unwaxed lemon (use half)
- 1 midi cucumber (use half)
- 110g baby tomatoes (use half)
- 140g 8 hour slow cooked lamb (use half) (lamb, garlic puree, tapioca starch, salt, cumin seeds, black pepper.)
- 1 tbsp curry powder (use a quarter) (Turmeric, coriander, onion, garlic, fenugreek, fennel, chilli powder, black pepper, salt)
- 40g baby spinach (use half)
- 1 onion (use half)
- 6 baby potatoes
- 1 tsp nigella seeds (use half)
- 285g rogan josh (use a quarter) (Nuts) (onions (40%), tomatoes, water, rapeseed oil, deggi mirch powder, salt, garlic, ginger, kashmiri chilli powder, fennel, garam masala [spices], cinnamon, black cardamom, green cardamom, turmeric, bay leaves)
- 2 spring onion
Nutritional Information
Calories: 533
Protein: 24g
Carbs: 69g
Fat: 17g
Slow-cooked Lamb Rogan Josh with Tikka Potatoes & Kachumber Salad
This is the star of the show: tender slow-cooked British lamb simmered in Gymkhana's classic Rogan Josh sauce. Pair it with vibrant tikka potatoes, infused with fragrant spices and roasted till golden, and a fresh kachumber salad. Michelin-star quality at your table.
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Cooking Instructions
Before you start
- Preheat the oven to 240C / fan 220C / gas mark 9
- Line a baking tray with baking parchment
- Pull out a sieve, a large frying pan & a medium bowl
Get the potatoes on
- Halve the potatoes (quarter any large ones)
- Place the potatoes onto the lined baking tray and toss with the half pack of curry powder, 1/2 tsp oil and a pinch of salt and pepper
- Roast for 25 mins
Build the dish
- Thinly slice half the onion
- Heat the large frying pan with 1/2 tsp oil on medium-high heat. Once hot, add the sliced onion and cook for 3 mins. Add the lamb to the pan (with all the juices from the bag). Gently pull apart any larger pieces of lamb. Simmer for 2-3 mins, until almost all the liquid has evaporated
- Add the half jar of Rogan Josh sauce and simmer for 8-10 mins, until piping hot
Assemble the kachumber salad
- Finely dice the cucumber and remaining onion into 1cm chunks. Quarter the tomatoes
- Add all to the medium bowl with the juice from half the lemon and half the nigella seeds. Season with salt and pepper
Finish the potatoes
- Thinly slice the spring onions. Rinse the spinach
- After 25 mins, add the spinach, spring onion and remaining lemon juice to the potato tray. Toss together and return to the oven for another 5 mins, until the spinach is wilted and the potatoes are soft and golden
Plate up
- Share the lamb rogan josh between bowls, with the potatoes and kachumber salad alongside. Sprinkle over the remaining nigella seeds
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