Fernando, Fernandito, or Fernet con Coca: whatever you call this mix of fernet and cola, it’s a classic! Invented in the 80s by Argentinian college students, it’s quickly become a national treasure and the country’s unofficial-official cocktail.
A squeeze of lime or a twist of lemon are nice, but not required. The bitter flavor is part of the appeal, and die-hard fans might argue that you shouldn’t go too far in covering it up.