Bake the puff pastry disks at 190°C for about 12 minutes and then cool.
Carefully clean and slice the mushrooms.
Thinly slice the pecorino, or if you prefer, cut into julienne strips or even grate it coarsely.
To make the sandwich, slice the puff pastry and layer on each ingredient.
Before closing the sandwich with the top slice of the puff pastry, complete by drizzling it with Olitalia “I Dedicati” Special Extra Virgin Olive Oil for Meat and a few drops of balsamic vinegar.