He is one of the Oldest Biriyani Chef in Iran. His shop founded at more than one hundred years ago. His shop name is "Biriyani Haj Mahmood" and located at Sabze Meydan in Isfahan.
In city of Isfahan, Iran a kind of Biryani is made with cooked mutton or lamb that is stewed then minced separately and then grilled in special small round shallow pans in the oven or over the fire. The burgers are generally served, with powdered cinnamon, in a local bread, usually "nan-e taftoon" but also sometimes "nan-e sangak".