Pastéis de nata are traditional Portuguese custard tarts known for their flaky pastry and creamy filling. Originating from Lisbon, these desserts are typically baked in small, round shapes and have a golden-brown top, often with a slightly caramelized surface. They are enjoyed warm, often sprinkled with cinnamon or powdered sugar. The recipe for pastéis de nata dates back to the 18th century, with the most famous version coming from the Pastéis de Belém bakery. These tarts have gained international popularity, making them a beloved treat in many countries, celebrated for their rich flavor and delightful texture.