1.
In a mixing glass half-filled with ice cubes, combine the Scotch, triple sec, and bitters.
2.
Stir well.
3.
Strain into a cocktail glass.
4.
Garnish with the orange slice.
- 1 ½ measures Scotch whisky
- ½ measures Triple sec
- 2 dashes Bitters
- 1 Orange slice