Slice of lemon Cinnamon & sugar 1 oz Goslings Black Seal Rum 1 oz Amaretto di Saronno 2 tablespoons fresh sour mix (combine 1 tablespoon each of superfine sugar, water, lemon & lime juices)
Rub the rim of a martini glass with lemon and dip in cinnamon sugar mix. Shake rum, Amaretto and sour mix with ice. Strain into glass and serve.