Ginjinha is a traditional Portuguese liqueur that is popular in Lisbon. It is made from sour cherries, sugar, and alcohol, and is typically served in small chocolate cups. The sweet and tart flavor of the cherries combined with the smoothness of the liqueur makes Ginjinha a delightful drink. You can find Ginjinha in many bars and taverns throughout Lisbon, often served as a shot or in a small glass. It is a must-try for anyone visiting the city.