Aaahhh…. What could be more refreshing than a Cuba libre highball cocktail made with cola, rum and lime served on the rocks? You're ready to go with Bacardi, bottled Coca-Cola, four glasses and even the limes! (You will need to add your own ice……sorry, we couldn't figure out how to keep it from melting!).  Cuba libre Recipe - Ingredients: 1  2/3 oz white rum, 1/3 oz fresh lime juice, 4 oz cola. Preparation: Build all ingredients in a highball glass filled with ice. Garnish with lemon wedge.