The small but bustling Manteigaria on the corner of Largo de Camões, in Chiado, now has a larger outlet in the Mercado da Ribeira where the best pastéis de nata in town come out of its ovens constantly. The formula to success here is very simple and does not need to be locked up away from prying eyes. The artisanal production is the secret of these tarts’ success: the quality of the ingredients used – whole eggs, proper butter rather than margarine, plenty of sugar, and no preservatives – and the process by which the flaky pastry is kneaded and folded by hand, which requires several months’ training to learn properly. The result is a crispy, crunchy case and a cream filling with just the right amount of sugar – sending Time Out head over heels in love with these tarts and pushing Manteigaria up to the top spot on on Tripadvisor among places in Lisbon for pastéis de nata. Price: one tart (€1), box of six (€6).