What is a troueau?

A troueau is a type of traditional French pastry that features layers of thin, crispy dough, often filled with various sweet or savory fillings. It is typically baked until golden and flaky, resulting in a light and delicate texture. Troueau can be enjoyed as a dessert or a snack and is popular in various regional cuisines in France. The pastry's versatility allows for a wide range of flavor combinations.