The story goes that Margherita Maria Teresa Giovanna di Savoia or Margaret of Savoy, Queen consort of Italy's Umberto I (ruled from 1878 to 1900), was visiting Naples and Raffaele Esposito, owner of the Pizzeria di Pietro e Basta Cosi, made a pizza in her honor. The pizza with its red (tomatoes), white (mozzarella cheese)