way through. Combine the oil and cumin in a small bowl and season well. Brush this over the aubergines. Roast for 45 mins or until soft. Remove to a platter.
Melt the butter in a small pan and fry the harissa with a pinch of salt for a few minutes. Drizzle this over the cooked aubergines.
Meanwhile, put the garlic, ginger, shallots, parsley, half the mint, the cumin, coriander, cinnamon, tomato purée and 1 tsp each salt and freshly ground black pepper in a food processor. Blitz until everything is finely chopped, about 30 seconds.
Tip the lamb into a large bowl and add the spice mix, stirring until everything is well combined. If using bamboo skewers, soak these for 15 mins before continuing.
Form rough handfuls of the lamb mixture into meatballs and thread these onto the skewers. Roll the meat in your hands to flatten into an egg-like shape. Continue