"Custard Trio! 🎬🥧🥧🥧 Two Pastéis de Nata set against a deep black background, with a gentle cascade of powdered sugar floating down, highlighting their golden, flaky crusts and creamy custard fillings." A pastel de nata is a Portuguese egg custard tart pastry and if you're heading off to Lisbon, there are so many delicious options available to you.