Ingredients:

1 ounce bourbon

1/2 ounce sweet vermouth (we use Dolin)

1/2 ounce fernet branca

2 dashes angostura bitters*

—

Combine ingredients along with ice in a mix glass.  Stir.  Pour over a whiskey ice cube in a lowball glass and enjoy!

* If you want the original version, omit the bitters.