Just like its moniker — the cocktail is made with only two ingredients – vodka and coffee liqueur. In contrast to the White Russian, this variation has since been sipped with a variety of mixers such as cola, lemon juice, ginger ale and Irish cream - showcasing the versatility of the drink.
Fill a shaker with ice before pouring the vodka and liqueur in.
Shake well to combine and strain into a glass filled with ice.
Top up with chilled cola before serving.
Adjust the liqueur for more or less sweetness, based on preference.