Sambuca is an Italian anise-flavoured liqueur. It most of the times colouless. White sambuca's flavor is dominated by anise, elderberries, and sugar. Black sambuca's flavor is dominated by witch elder bush and licorice. It has a higher alcohol content but a less sugary taste and adds a deep blue color to cocktails. 2 Shooters with Black Sambuca you should try are Black Rain and Tornado.