Process the pistachios with the biscotte, pepper and thyme.
Take the balls of mozzarella out of their packaging and place them in the freezer for 15 minutes. Whisk the eggs together with a fork. Dip the mozzarella balls in the eggs then roll them in the pistachio crumbs, place them in the freezer for a further 5 minutes. Cook the mozzarella balls on the hotplate for 3–4 minutes then tur