Combine ingredients in mixing glass and stir until chilled.*
Strain into cocktail glass and garnish with expressed orange peel.
Notes
The recipe in the book calls for shaking this cocktail, however this goes against the conventional method of only shaking if a recipe contains a fresh juice or viscous ingredient such as honey. For this reason I chose to stir the cocktail, as one would a standard Manhattan. Colonial Spirits: A Toast to Our Drunken History