Gate-side pastel de nata without leaving T1 security
Confeitaria Nacional in Lisbon Airport T1 sits airside, so you stay past security and grab a pastel de nata between Schengen departures. This is the airport outpost of the 1829 downtown bakery, so the custard tarts here taste closer to city level than most terminal sweets. Expect self-service counter ordering, a short queue at morning peaks, and quick turnover of baked trays through breakfast hours.
Open roughly from first departures to late evening in T1, this café runs on pastries, sandwiches, and espresso shots. A single espresso usually lands around a couple of euros, and a pastel de nata is in the same range, so you can get a quick coffee-and-tart fix without burning half your food budget. Seating is standard airport tables near the gate corridor, good for a 15–20 minute stop while you watch boarding screens.
Best move here is simple: order a fresh pastel de nata and a bica (Portuguese espresso). Pastries rotate through the day, but most people stick to the classic custard tart; skip anything that looks like it has been sitting for more than 30 minutes, especially in mid-afternoon lulls. For something more filling, pre-made sandwiches and croissants sit in chilled cases, fine for a short hop to Porto or Faro.
Lines spike around 07:00–09:00 and again before evening bank departures from T1, so build five extra minutes into your stop if your boarding time is tight. Practical tip: check your gate on the monitors first, then use Confeitaria Nacional as your last coffee stop on the walk toward Schengen departures in Terminal 1.