1.Combine the lamb with the spices and olive oil and leave to marinate for 1 hour. Soak 12 wooden skewers in water while the lamb marinates.
2.To make the yoghurt sauce, place the garlic, sugar, lemon juice, mint and half the yoghurt in a blender and blend until smooth. Stir in the remaining yoghurt and season to taste with sea salt and pepper.
3.To make the salad, combine the tomatoes, cucumbers, onion and herbs. Dress with the olive oil and lemon juice and season to taste with sea salt and pepper.
4.Thread the lamb cubes tightly onto the wooden skewers, placing about 5 pieces per skewer.
5.Heat a barbecue or chargrill pan to hot and cook the skewers for about 5 minutes, turning to cook evenly.
6.Serve the kebabs with the yoghurt sauce, salad and flat bread.