SERVES 4 4 large flat mushrooms about 7.5 cm | 3 in diameter Salt and freshly ground black pepper 70 g | 2 ½ oz pancetta or streaky bacon, diced 2 shallots, finely chopped ½ clove of garlic, crushed 55g | 2 oz fresh white breadcrumbs 1 tablespoon chopped fresh parsley 1 tablespoon Sercial Madeira or dry sherry 1 tablespoon freshly grated Parmesan cheese Preheat the oven to 180 deg C | 350 deg F | gas mark 4. Wipe the mushrooms and peel them if necessary. Cut off the stems, dice and set aside.