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 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 a panoramic position above sea level. It is easily visible from the SS6 road that runs from Canelli to Asti. San Marzano was named after St. Marcian of Tortona, the first Bishop of Tortona (or perhaps a bishop of Ravenna), who was martyred in 2nd century by the Roman emperor Hadrian. The suffix "Oliveto" was added in 1862 because olives were said to have