Puff pastry is a flour, butter, water and salt dough that is used to make pies, quiches and cakes. It is known for its crisp and friable texture, and it is often used as a base for savory or sweet dishes. Puff pastry is an important source of carbohydrates and fats, and it can be a source of vitamins and minerals, in particular group B and iron vitamins. However, it is important to consume it in moderation.