3⁄4 oz Pear liqueur
3⁄4 oz Herbal liqueur, Green Chartreuse
3⁄4 oz Maraschino Liqueur
3⁄4 oz Dry vermouth, Dolin
6 dr Spruce Essence (Optional)
Stir with ice for 20 seconds, strain into cocktail glass. Cherry garnish.
Essence is a very strong ingredient used in brewing, and can be considered optional.
As far as I can tell, this originates with the folks at Tuxedo No. 2.
Tuxedo No. 2 (site)
Pear liqueur, Herbal liqueur, Maraschino Liqueur, Dry vermouth, Spruce Essence