To make ahead, par boil the potatoes and garlic leave to cool. Cooks he onions and pancetta, add the balsamic and thyme remove and cool. When ready to finish, reheat the onion and vinegar mixture and add the potatoes and continue as above.
These potatoes are wonderful with lamb - roast, grilled or butterflied. They are a marriage made in heaven! Add a little salsa verde for an extra wow.
Recipe Theo Randall