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
San Marzano Oliveto motto "Virtus addidit". It incorporates the coat of arms of the Asinari family, lords of San Marzano between the thirteenth and seventeenth centuries. Cited by Alfieri as "San Marzano of Acquosana", the first documents that mention the castle date from the birth of the Contado of Acquosana - the ancient territory of Acqui Terme. The castle, probably of Roman origin, has a square tower that was added by the Asinari family. The tower has four square crenellations, one in each corner: the embrasures of one of them can still be seen today. After the Spanish occupation of 1655, the castle