Lemons and oranges are a major crop, and you can buy limoncello all over Sorrento. Wikipedia: Limoncello is an Italian lemon liqueur mainly produced in Southern Italy, especially in the region around the Gulf of Naples, the Sorrentine Peninsula and the coast of Amalfi and islands of Procida, Ischia and Capri. ... Limoncello is traditionally served chilled as an after-dinner digestivo. Along the Amalfi Coast, it is usually served in small ceramic glasses themselves often chilled, the Amalfi coast being a center of both ceramics and limoncello production.