New Yorkers famously fold their slice in half lengthwise before eating it on the move — a habit born from a thin, floppy crust that would otherwise sag and spill its toppings.
A wide, thin-crust triangle of cheese pizza is reheated on demand and handed over on a paper plate, folded in half for eating standing up or walking down the sidewalk. Corner pizzerias across the five boroughs sell slices this way around the clock.
Philly Cheesesteak