Dum cooking is a way of slow cooking. It is a technique that is more than 400 years old. It signifies steam and many a time the vessel containing the food being slow cooked in its own juices is sealed with dough. When the steam is not allowed to escape it becomes dumpukht. Today in "Jai Ki Rasoi Se" used the same technique to make very yummy and delicious dish called "Hyderabadi Dum Ka Aloo Mutton Kheema". It is served with Crispy Lachha Paratha.