"It might be copied worldwide but there is only one true Neapolitan pizza. Italy has drawn up a series of rules that must be met for a Neapolitan pizza to be worthy of the name. The regulations are designed to protect and promote the original, traditional Neapolitan pizza. The proposed new law includes a step-by-step guide to the perfect pizza. It covers pizza shape, depth, toppings and even the way olive oil must be poured on top.