Central Grocery, an Italian-American grocery store in New Orleans where the muffuletta started in America. In 1906, Salvadore Lupo, owner of the Central Grocery, invented the muffuletta sandwich to feed fellow Sicilian immigrates. New Orleans has a historical Italian-American population. As of 2023 those identifying as of Italian descent were the largest ethnic group of Europeans in the New Orleans Metropolitan Area, numbering around 300,000.