2 oz bourbon¾ oz lemon juice1 oz pineapple juice½ oz falernum¼ oz simple syrup (1:1)2 dash Angostura bitters
instructions :

Combine all ingredients in a mixing tin with ½ oz pebble ice and shake to briefly chill and dilute.
Strain into a chilled filled with pebble ice.

source :
Erick Castro, Raised by Wolves (San Diego)