Pizza estimated that annual production of pizza cheese was in the U.S. and in Europe. Authentic Neapolitan pizza ("pizza napoletana") is made with San Marzano tomatoes, grown on the volcanic plains south of Mount Vesuvius, and mozzarella di bufala Campana, made with milk from water buffalo raised in the marshlands of Campania and Lazio. This mozzarella is protected with its own European protected designation of origin. Other traditional pizzas include "pizza alla marinara", which is topped with marinara sauce and is supposedly the most ancient tomato-topped pizza, pizza capricciosa, which is prepared with mozzarella cheese, baked ham, mushroom, artichoke and tomato,
San Marzano sul Sarno San Marzano sul Sarno San Marzano sul Sarno is a town and "comune" in the province of Salerno in the Campania region of southern Italy, situated about halfway between "Autostrade" A3 and A30. Sarno is located in the Sarno River valley, in which traces of human presence have been found that date back to as early as the 9th-6th centuries BC. San Marzano is first mentioned in 601 AD in a letter by Pope Gregory I. In 1220 Frederick II of Sicily gave it to the abbey of Montevergine, and in 1234 it was acquired by the Filangieri family, who