- 30 ml (1 oz.) dry gin
- 30 ml (1 oz.) bitter liqueur (like Campari)
- 30 ml (1 oz.) red vermouth
- Ice cubes
- 1/2 orange slice
Combine all the ingredients, except for the half orange slice, in an old-fashioned glass containing a few ice cubes.
Stir using a mixing spoon.
Garnish with the half orange slice.