Preheat oven to 180C, line a baking tray with parchment paper.
Thaw the puff pastry for about 20 minutes.
Divide the dough into 4 portions.
Brush the sides with the beaten egg.
Place one portion of the filings and a quarter of an egg into each piece of the pastry.
Seal with fork, and place them on the baking dish
Repeat until all the pies are made.
Brush each pie with the beaten egg. Sprinkle your favourite cheese or sesame seeds if desired.
Bake on a low shelf in the preheated oven for at least 20 minutes or when the pies turn medium brown.
Remove the pies from the parchment paper to a cooling tray. Important or the pies will turn soft.