1.Preheat oven to 200°C (180°C fan-forced).
2.Place pizza bases on two oiled oven trays.
3.Cook lamb in heated oiled large frying pan until browned. Add spice mix; cook, stirring, until fragrant. Season to taste.
4.Spoon lamb mixture over pizza bases. Bake, about 10 minutes or until bases are browned lightly.
5.Meanwhile, combine yoghurt with 2 tablespoons cold water in small bowl; season to taste.
6.Serve pizzas drizzled with yoghurt mixture. Serve sprinkled with fresh coriander leaves if you like.