Panzerotti alla Romana

Probably one of the earliest recipes from the culinary history of the great city of Rome, these rich and savoury dough fritters would traditionally be served as an antipasto or a snack; at some time in their history they were probably cooked as street food and sold from sizzling cauldrons of boiling oil to hungry passers-by. You can vary the contents of the filling according to personal taste; for example, mozzarella or scamorza can be used instead of the Gruyère, and salami or cooked ham c