Calling pastel de nata a Portuguese custard tart is a bit like calling a pasty a Cornish calzone – similar in principle, but a very different beast in reality. Instead of a short, crumbly pastry, the pastel de nata has a crisp, slightly salty, layered crust; and, rather than the firm, egg-rich fillings of the classic British or French custard tart, the filling is almost molten, and spiced with cinnamon and lemon zest, as opposed to our peppery nutmeg or sweet vanilla.
As chef Nuno Mendes explains in his love letter to the city of his birth, Lisboeta, they were originally sold at the Mosteiro dos Jerónimos in Belém. When the monastery was briefly closed in the early 19th century, the recipe found its way into the hands of an enterprising local businessman, and his shop now sells about 20,000 a day. I won’t claim that my recipe below is as good as a visit there, but I like to think these tarts are a pretty delicious homage.