How to Make Easy Puff Pastry Dough. The pastry is actually a kind of Italian pasta dough with additional butter. However, the preparation is not as simple as it seems at first sight: it takes a long time and some practice. Anyway you can always resort to unproblematic frozen puff pastry. The precondition for a puff a success is the proper consistency of butter. This should be cooled completely before working on the dough. As the stretch and fold the dough over and over again will create thin layers of butter between layers of dough. This is what gives rise to the typical sheet of puff pastry.