Every day, long lines form outside the historic Fábrica dos Pastéis de Belém in Lisbon — a tradition as iconic as the custard tarts themselves. Originating in 1837, these sweet delicacies, made from a secret monastic recipe, have become a symbol of Portugal’s culinary identity.In August, demand peaks as tourists and locals alike seek the authentic taste of this centuries-old tradition. Located near the Jerónimos Monastery and Belém Tower, the pastelaria contributes to a rich cultural circuit that fuses history, flavor, and storytelling.Gastronomy plays a central role in Portugal’s tourism appeal, and the Pastéis de Belém stand as a testament to how one recipe can shape national pride — and global curiosity.