Lamb Rogan Josh

Pat the lamb chunks completely dry with kitchen paper — surface moisture is the enemy of a good sear and will cause the meat to steam rather than brown. Season lightly with salt. Heat the oil in a large, heavy-based pot or Dutch oven over high heat until shimmering. Brown the lamb in batches for 3–4 minutes per side until deeply coloured all over — do not crowd the pan or the temperature drops and the meat stews. Remove the browned lamb and set aside. Reduce the heat to medium. Add the black cardamom, green cardamom, cloves, cinnamon stick, and bay leaves to the same oil and fry for 60 seconds until fragrant and sizzling — the whole spices perfume the oil and form the aromatic backbone of the entire dish.

Add the chopped onions to the pot with the whole spices and cook over medium heat, stirring regularly, for 15–18 minutes until deeply golden brown and beginning to catch at the edges. This long, patient caramelisation is what gives rogan josh its characteristic depth and sweetness — do not rush it. Add the grated garlic and ginger and cook for 2 minutes until fragrant. Add the Kashmiri chilli powder, ground coriander, ground cumin, ground fennel, ground ginger, and turmeric. Stir continuously for 90 seconds, cooking the spices in the oil until they smell toasted and the mixture darkens slightly. Add the tinned tomatoes and salt, stir well, and cook for 8–10 minutes, mashing as the tomatoes break down, until the oil separates visibly at the edges.

Return the browned lamb pieces and any resting juices to the pot. Stir to coat every piece thoroughly in the deep red masala. Pour in the hot water or lamb stock and stir again. Bring to a gentle simmer, then reduce the heat to low, cover tightly, and cook for 1 hour 15 minutes to 1 hour 30 minutes, stirring every 20–25 minutes, until the lamb is completely tender and falling off the bone. The sauce will reduce and thicken considerably as it cooks. If it looks too dry at any point, add a splash more water. The finished sauce should be thick, glossy, and cling to the meat — not watery or thin.

Once the lamb is fall-apart tender, remove the lid and cook uncovered for a final 5–8 minutes over medium heat to reduce and concentrate the sauce if needed. Sprinkle the garam masala over the top and stir gently to combine — adding it at the end preserves its delicate floral and warming notes. Taste and adjust salt. Fish out and discard the whole spices (black cardamom, cinnamon stick, bay leaves, cloves) if you can find them — they are not pleasant to bite into. Scatter fresh coriander generously over the top and serve immediately with steamed basmati rice or warm naan.