1 1/2 oz reposado cachaca
1/2 oz bonal quina-gentiane liqueur
3/4 oz lemon juice
1/2 oz simple syrup
1 egg white
combine ingredients over ice and shake hard. strain over fresh ice into a chimney and float several dashes of angostura bitters.
meant to be drunk through a straw while inhaling the aromatics of the bitters on top.