Filo, stemming from the Greek word for leaf, is a particularly apt name for this thin and flaky pastry. It is made from a mixture of flour, salt, water, and oil that is combined, kneaded and then stretched (traditionally by hand) until it is transparent enough to almost see through. These paper-thin sheets are then placed one on top of each other, glued together by a thin coating of melted butter or oil, to form a multi-layered pastry shell to fill, roll and layer into a whole host of delicious dishes.