Adapted from http://www.autumnmakesanddoes.com/2012/04/09/clear-creek-douglas-fir-eau-de-vie-cocktail/
2 parts gin (extra-floral/juniper-y gin preferred)
1 part douglas fir eau-de-vie (such as Clear Creek's)
3/4 part rosemary simple syrup
dash lemon bitters (or grapefruit juniper bitters, recipe linked below)
Shake with ice, drain into a cocktail glass.
Garnish with a sprig of rosemary and a fresh cranberry.
Some other douglas fir cocktails: