Hyderabadi Biryani, also known as Hyderabadi Dum Biryani, is a regal dish that originated in the kitchens of the Nizams of Hyderabad, India. It's a sumptuous rice dish layered with aromatic spices, flavorful marinated meat, and fragrant long-grain basmati rice, all cooked together in the dum style, which involves slow cooking over a low flame.