For those who enjoy a strong and tangy cocktail, a whiskey sour is a great choice at Madrid-Barajas Airport. Made with whiskey, lemon juice, and sugar, this classic drink is a timeless favorite. The combination of sweet, sour, and boozy flavors creates a well-balanced and refreshing cocktail. Sip on a whiskey sour and savor the complex flavors of the whiskey while waiting for your flight.