Black Tzar
- 30 ml (1 oz.) vodka
- 30 ml (1 oz.) coffee liqueur
- Cola
- Ice cubes
- 2 slices of orange
Pour coffee liqueur and vodka over ice cubes in a highball glass.Top up with cola.
Garnish with orange slices.
Pro tip
Add the soda at the last minute ensure the drink is bubbly enough.