Marinated in spiced yoghurt, Kashmiri chillies, and garlic, then roasted over roaring tandoor charcoal embers with charred edges.
Whisk the yogurt with the crushed pepper, ginger-garlic paste, coriander powder and salt; coat the chicken and rest 2 hours.
Thread the chicken cubes onto skewers.
Grill over high heat, turning and basting with butter.
Cook until charred in spots and just cooked through.
Drizzle with lemon juice and serve hot with mint chutney.