1/3 oz of Sambuca (or elderberry liqueur)
1/3 oz of Bailey's Irish Cream (or Irish Cream)
1/3 oz of Kahlua coffee liqueur (or coffee liqueur)
1 splash of Frangelico hazelnut liqueur (or Hazelnut Liqueur)
Layer Kahlua, then Bailey's, then Sambuca. Float the Frangelica on top.