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 the Barbera produced in the region is particularly noteworthy. San Marzano Oliveto pays a significant role in the promotion of wine tourism in the Piedmont region. Tourists are attracted to the many wineries and vineyards in the region, many of which offer tasting facilities for visitors, and to the many restaurants that offer rare local vintages in addition to the highly renowned Piedmontese cuisine. San Marzano Oliveto San Marzano Oliveto is a "comune" (municipality) in the Province of Asti in the Italian region Piedmont, located about southeast of Turin and about southeast of Asti. San Marzano Oliveto is located in