Shirini-e Gaz is a traditional Iranian pastry that is commonly known as Persian Yazdi cake or Gaz biscuit. Shirini-e Gaz is typically consumed during special occasions, such as weddings, birthdays, and holidays The pastry is made from a combination of ingredients including flour, sugar, butter, eggs, baking powder, and sometimes rosewater or cardamom for added flavor. The dough is then shaped into small round or oval shapes and baked until golden brown.