Pasticcio (Greek pasta bake)

Method

1. Heat the oil in a large frying pan over a medium heat. Add the onion and garlic and cook, stirring, for 5 minutes, until soft. Increase the heat, add the minced lamb and cook, stirring, for 5 minutes, until browned. Drain off the fat in a sieve, then return the meat to the pan.
2. Add the purée and cinnamon and cook, stirring, for 1 minute. Add the tomatoes, then half-fill the can with water and pour into the pan. Add the oregano, season, and bring to the boil. Reduce the heat Preheat the oven to 180C/fan160C/gas 4. For the topping, mix the yogurt, egg and half the cheeses. Season with pepper.
3. Cook macaroni in boiling water until al dente. Drain and spoon half into a deep, ovenproof dish. Season. Top with the mince and remaining macaroni. Press down, spoon over yogurt topping and scatter with remaining cheese. Bake for 25 minutes, or until golden and bubbling.