History of pizza world to produce and spread the verace pizza napoletana philosophy and method. There are many famous pizzerias in Naples where these traditional pizzas can be found such as Da Michele, Port'Alba, Brandi, Di Matteo, Sorbillo, Trianon, and Umberto (founded: 1916). Most of them are in the ancient historical centre of Naples. These pizzerias will go even further than the specified rules by, for example, using only San Marzano tomatoes grown on the slopes of Mount Vesuvius and drizzling the olive oil and adding tomato topping in only a clockwise direction. The pizza bases in Naples are soft and pliable. In
San Marzano tomato in the shadow of Mount Vesuvius. One story goes that the first seed of this tomato came to Campania in 1770, as a gift from the Viceroyalty of Peru to the Kingdom of Naples, and that it was planted in the area of San Marzano sul Sarno. In the United States, San Marzano tomatoes are the genetic base for another popular paste tomato, the Roma tomato. The Roma is a cross between a San Marzano and two other varieties (one of which was also a San Marzano hybrid) and was introduced by the USDA's Agricultural Research Service in 1955. San