Cut the mozzarella into 5 mm thick slices. Rinse the schnitzel, pat dry and pat flat if you like. Season with salt and pepper.
Brush one side of the schnitzel with pesto and top with ham and mozzarella. Fold the schnitzel and fix with wooden skewers.
Put the flour in a flat plate, whisk the eggs and mix the breadcrumbs with the parsley in a flat plate. Bread the filled schnitzel with flour, eggs and breadcrumbs.
Heat oil in a large pan. Fry the schnitzel all around for 10-15 minutes.
Serve the schnitzel with a potato and cucumber salad!