"Sunday gravy, meant to be served midday after Sunday church is a rich mix of meats and tomatoes meant to top a bowl of pasta. While meatballs aren't in this rendition, they could certainly be added, f you should happen to have a rind from a chunk of Parmesan by all means, add it to the gravy while it cooks; it gives it deep, rich flavor. This makes enough for 1 1/2 pounds of pasta. Serve with freshly grated Parmesan...."