By Gretchen McKay
From Pittsburgh Post-Gazette
The meatballs Americans know best are the ground beef, Italian variety that crown a plate of spaghetti, or are nestled with marinara and gooey cheese inside a crusty roll as a hoagie.
The meatballs Americans know best are the ground beef, Italian variety that crown a plate of spaghetti, or are nestled with marinara and gooey cheese inside a crusty roll as a hoagie.