There are many good cherry liqueurs you can use, but I prefere Heering.
Add one share of the liqueur.
Then you add one share of Soda.
For a sour sling use Tonic (most people prefer the drink without Tonic).
Afterwards you fill the glass with Orange Juice and ice cubes.
Serve: Cocktail glass
- 1 part Cherry Heering
- 1 part Soda water
- 1 part Orange juice
- cubes Ice