Gaz is a Persian nougat that originated in the Isfahan region. It is widely known as Persian Nougat in American and European countries. It is made from pistachio, almond kernels, rose-water, egg whites and sap from Persian manna.Typically gaz is accompanied by tea or sherbet and is eaten as a dessert after a main course. It is also traditionally served on festive occasions such as Nowruz, the Persian New Year.