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 tomato San Marzano "the most important industrial tomato of the 20th century"; its commercial introduction in 1926 provided canneries with a "sturdy, flawless subject, and breeders with genes they'd be raiding for decades." Though commercial production of the San Marzano variety is most closely associated with Italy, seeds for the variety are available worldwide.. It is an heirloom variety. Canned San Marzanos, when grown in the Valle del Sarno (valley of the Sarno) in Italy in compliance with Italian law, can be classified as "Pomodoro S. Marzano dell'Agro Sarnese-Nocerino" and have the EU "DOP" emblem on the label. Most San Marzano