The Black Russian is simple cocktail made from vodka and coffee liqueur can be served on the rocks (with ice only) but when combined with some cola it's much more palatable. The black russian is less famous than it's counterpart the white russian, but is still just as enjoyable.
The measures given are as close as realistically possible to the official IBA guidelines, which is 5 parts vodka to 2 parts coffee liqueur.
Please note that the units field is an estimation, and will vary depending on the type and quantity of alcohol used. Please drink responsibly and legally.