Gosht-e Jojeh (chicken and lamb with courgettes)

Instructions

1. Brown the lamb and chicken in oil until well coloured.
2. Add the sliced onions and garlic, then let them colour for 5 minutes.
3. Stir in the tomato paste and chopped tomatoes, then let reduce for 5 minutes.
4. Add the spices and stock, then cover and simmer for 40 minutes.
5. Cut the courgettes into thick rounds and add them to the sauce.
6. Cook for another 15 minutes, until the courgettes are tender, and serve with rice.