Opal

- 45 ml (1 1/2 oz) white rum
- 1 splash lime juice
- 180 ml (6 oz) spruce beer
- 3 ice cubes
- 1 lime slice
- Berries, to taste
Combine the rum, lime juice and spruce beer in a highball glass containing a few ice cubes.
Stir using a mixing spoon.
Garnish with the lime slice and berries on a cocktail pick.

