Neapolitan pizza and pizza Margherita DOP made with tomato, buffalo mozzarella from Campania, basil and extra virgin olive oil. The pizza napoletana is a Traditional Speciality Guaranteed (TSG) product in Europe. The TSG certification attests that a particular food product objectively possesses specific characteristics which differentiate it from all others in its category, and that its raw materials, composition or method of production have been consistent for a minimum of 30 years. Neapolitan pizza Neapolitan pizza (Italian: "pizza napoletana") is a style of pizza made with tomatoes and mozzarella cheese. It must be made with either San Marzano tomatoes or Roma tomatoes,
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