There's a certain kind of sandwich that doesn't need much introduction  you smell it before you see it, and once it hits the table, conversation pretty much stops. That's the Classic Philly Steak at BurgerBloc. Thin-sliced, well-seasoned steak piled high, melted cheese pulling with every bite, crisp lettuce for balance, all packed into a toasted sesame bun. It's the kind of sandwich that...