Simmering the balsamic vinegar both mellows and thickens it. When tossed with the hot pasta and the butter, it forms a smooth, uniquely flavored sauce.
I grew up eating sloppy joes, a sandwich made by browning ground beef in a skillet and dumping a can of tomato-based 'Manwich' sauce over top, then plopping it
To make this dish the traditional Roman way, mix the cheese, eggs, pepper, and pork in a bowl to create a thick sauce before tossing it with the pasta.