Neapolitan-style pizzas are everywhere, so it’s refreshing to find a pie that doesn’t droop when you pick it up. At All Purpose, a new Italian-American restaurant in Shaw, chef Mike Friedman (also of The Red Hen) is making New York-style pies with his own flair. Take a look at how his process differs from that for Neapolitan pizzas, which must follow strict guidelines from the Associazione Verace Pizza Napoletana to be certified as the genuine thing.