Add bourbon, lemon juice, orange juice, simple syrup, and cinnamon to the shaker.
If using egg white, add it now. Seal the shaker and shake hard for 10-15 seconds.
Remove the ice and shake again without ice for 5-10 seconds. This creates a silky texture.
Double strain into a rocks glass filled with fresh ice.
Cut a strip of orange peel and twist it over the drink to release oils.
Place the orange twist on the rim of the glass.
Notes
The egg white makes the drink smoother and creates a nice foam top. Skip it for a lighter version.Fresh citrus juice works best. Bottled juice can make the drink taste bitter.Store simple syrup in the fridge for up to 2 weeks.To make the drink stronger, use 2.5 oz bourbon and reduce orange juice to 0.5 oz.This recipe works well with rye whiskey too.