What is essentially a blend of full-bodied dark rum and sweet, fizzy cola - the Cuba Libre is a cocktail that originated in the Carribean islands. Balance the sweetness with a squeeze of fresh lime before serving with plenty of ice to let the acidity cut through the sweetness with every sip.
Generously fill a highball glass with ice and pour in the rum.
Top up with cola and gently squeeze the lime wedge into the drink before garnishing it.
Serve immediately.