Mandelbrot is a traditional Jewish cookie that is often enjoyed during Purim. These cookies are similar to biscotti and are made with a sweet dough that is studded with nuts and dried fruits. The dough is shaped into logs and baked until golden brown. Once cooled, the logs are sliced into individual cookies and can be enjoyed as a sweet treat or dunked into a cup of coffee or tea. Mandelbrot is a delicious and versatile cookie that can be customized with different types of nuts and fruits, making it a great option for Purim celebrations.