Coca-Cola (or coke)
25 ml of rum
1 dash of lemons
5 ml of rosso vermouth (or sweet vermouth)
25 ml of Kahlua coffee liqueur (or coffee liqueur)
Pour the rum, Kahlua, vermouth and lemon into a cocktail shaker half-filled with ice cubes. Shake and strain into a Champagne flute over crushed ice. Top with Coca-cola. Garnish with a lemon slice, and serve.