2 oz. / 60 ml Whiskey (I used High West Whiskey)
1 oz. / 30 ml lemon juice
1 oz. / 30 ml simple syrup
3-4 dashes Angostura bitters for garnish
egg white
Dry shake all ingredients.
Add ice and shake again.
Strain into a chilled coupe and decorate with angostura bitters.