The Pasteis de Belém bakery in Belém, the southwestern most civil parish of the municipality of Lisbon. In 1837 they began making the original Pastéis de Belém, a Portuguese egg tart pastry dusted with cinnamon, following an ancient recipe from the Mosteiro dos Jerónimos, Jerónimos Monastery or Hieronymites Monastery. That recipe, kept secret, is recreated every day in the bakery, by hand, using only traditional methods. In other parts of Portugal attempted copies are called Pastel de nata.

The Pasteis de Belém bakery in Belém, the southwestern most civil parish of the municipality of Lisbon. In 1837 they began making the original Pastéis de Belém, a Portuguese egg tart pastry dusted with cinnamon, following an ancient recipe from the Mosteiro dos Jerónimos, Jerónimos Monastery or Hieronymites Monastery. That recipe, kept secret, is recreated every day in the bakery, by hand, using only traditional methods. In other parts of Portugal attempted copies are called Pastel de nata.

The Jerónimos Monastery, Hieronymites Monastery or Mosteiro dos Jerónimos, is a former monastery of the Order of Saint Jerome near the Tagus river in the parish of Belém, in the Lisbon Municipality. It was secularized in 1833 by state decree. A prominent examples of the Portuguese Late Gothic Manueline style of architecture in Lisbon, it was classified a UNESCO World Heritage Site.