Mutton braise with courgette & tomato

The world of khoresh — the Iranian stews and braises often served with plain Iranian rice, and sometimes bread — is so vast and varied that entire cookbooks could be written about them alone. Mossama (or mossaman) is a type of khoresh that is more of a braise than a stew, with large-ish pieces of fried vegetables added to the meat. These vegetables can be just about anything, but the most popular is aubergine, which is the star