Pastéis de Nata are traditional Portuguese custard tarts known for their flaky pastry and creamy filling. Originating from the Belém district of Lisbon, these desserts are made with a rich egg custard that is baked in a crispy shell until golden brown. The tarts are often sprinkled with cinnamon or powdered sugar before serving, enhancing their flavor. Pastéis de Nata have gained international popularity, making them a beloved treat in many countries, enjoyed by locals and tourists alike.