Cheesy meatball sub

Having this recipe in this book is, for me, redemption. I lived off meatball subs for a time (from the obvious chain store) as I lived opposite one of them in my second year. Sometimes I’d eat them twice a day. And at night, the forfeit for losing a game of Beer Pong was to do naked dashes to and from the store. The beauty of this particular sub is you can choose however many inches you’d like. Not just 6 inches, not just a ‘foot-long’. If you want 7 or 8 inches, well, you go have 7 or 8 in