
1. Fill a highball glass with ice. 2. Pour in the rum and lime juice. 3. Top with cola. 4. Stir gently with a bar spoon. 5. Garnish with a lime wedge.
The Cuba Libre is one of the best-known rum highballs, associated with Cuba in the early 20th century. What separates it from a simple rum and cola is the necessary lime, which adds freshness and focus. The technique is easy, but balance matters: cola sweetness should not bury the rum, and lime should refresh the drink rather than turn it into sour lemonade.