Place a layer first of ham and then cheese, also leaving a 1-inch border. Brush the border with the egg wash. Place the second sheet of puff pastry on the floured . As an Eastern European, the puff pastry is one of the staples in my freezer. I always have it around and use it quite often. These ham and cheese puff pastry. Mar 8, Perfectly flaky puff pastry cradles a creamy mixture of ham, cheese and spinach. These spinach puffs are a great use for leftover ham!.