Mix together ¾ cup greek yogurt, 1 tbsp lemon juice, 1 tbsp garlic, 1 tbsp ginger, 1 ½ tsp ground coriander, 1 ½ tsp cumin powder, ½ tsp turmeric powder, ⅛ tsp ground mace, 1 ½ tsp garam masala powder, ½ tsp ground dried fenugreek leaves, 1 tsp salt and 2 tsp red chilli paste for the masala marinade to form a smooth paste.
Pour the paste into a large mixing bowl, and add 2 ½ pounds lamb , mixing well till all the meat is fully coated. Drizzle 1 tbsp mustard oil over the top and mix into the lamb.
Cover and chill for 2 to 4 hours. Allow to stand at room temperature for 30 minutes before cooking.
Thread the lamb pieces onto metal skewers or place on a baking sheet, discarding the remaining marinade.
Cook on a medium heat grill till browned (around 6-8 minutes on each side) or roast in the oven (430℉/220℃ fan for 30 mins). Baste with 2 tbsp melted butter for a shiny glaze.
Garnish with ⅛ tsp chaat masala and serve with raita and chutney (see notes).
Notes
This recipe works with any cut of boneless lamb or goat meat, with most of the fat trimmed off and cut into small pieces. You could use a shoulder, leg, or even chops.Serve with a raita and coriander chutneyStore leftovers in a sealed container in the fridge for up to 3 days. warm before serving.