San Marzano tomato tomatoes sold commercially are grown in Italy, though they are produced commercially in smaller quantities in other countries. Because of San Marzano's premium pricing, there is an ongoing battle against fraudulent product. On November 22, 2010, the Italian carabinieri confiscated 1,470 tons of canned tomatoes worth €1.2 million of improperly labeled product. San Marzano tomatoes, along with Roma tomatoes, have been designated as the only tomatoes that can be used for Vera Pizza Napoletana (True Neapolitan Pizza). San Marzano tomatoes originate from the small town of San Marzano sul Sarno, near Naples, Italy, and were first grown in volcanic soil
Mozzarella buffalo, raised in designated areas of Campania, Lazio, Apulia, Molise. Unlike other mozzarellas—50% of whose production derives from non-Italian and often semi-coagulated milk—it holds the status of a protected designation of origin (PDO 1996) under the European Union "Fior di latte", is made from fresh pasteurized or unpasteurized cow's milk and hot water buffalo milk, which greatly lowers its cost. Outside the EU, "mozzarella" not clearly labeled as deriving from water buffalo can be presumed to derive from cow milk. "Mozzarella affumicata" means smoked mozzarella. Mozzarella of sheep milk, sometimes called "mozzarella pecorella", is typical of Sardinia, Abruzzo and Lazio,