Naples traditionally in a wood-burning oven, the ingredients of Neapolitan pizza have been strictly regulated by law since 2004, and must include wheat flour type "00" with the addition of flour type "0" yeast, natural mineral water, peeled tomatoes or fresh cherry tomatoes, mozzarella cheese, sea salt and extra virgin olive oil. Spaghetti is also associated with the city and is commonly eaten with the sauce "ragù": a popular Neapolitan folkloric symbol is the comic figure Pulcinella eating a plate of spaghetti. Other dishes popular in Naples include "Parmigiana di melanzane", "spaghetti alle vongole" and "casatiello". As a coastal city, Naples
Mozzarella buffalo, raised in designated areas of Campania, Lazio, Apulia, Molise. Unlike other mozzarellas—50% of whose production derives from non-Italian and often semi-coagulated milk—it holds the status of a protected designation of origin (PDO 1996) under the European Union "Fior di latte", is made from fresh pasteurized or unpasteurized cow's milk and hot water buffalo milk, which greatly lowers its cost. Outside the EU, "mozzarella" not clearly labeled as deriving from water buffalo can be presumed to derive from cow milk. "Mozzarella affumicata" means smoked mozzarella. Mozzarella of sheep milk, sometimes called "mozzarella pecorella", is typical of Sardinia, Abruzzo and Lazio,