The Vitals: the spot: Antonella’s Italian Kitchen 841 Conestoga road Bryn Mawr, PA 19010 the eats: Meatball Hoagie the bucks: $9 the full nelson: when your meatball fix needs a double shot of gluttony  Antonella’s Italian Kitchen is proof that the suburbs of Philadelphia can churn out a legit hoagie. Sure, some people might not think getting a Meatball sub is that hard. They probably have never had a real hoagie. Or a grinder. Yes, they all mean the same ...