3/4 oz. Blackberry Brandy (Preferably Hiram Walker's) - (more)
3/4 oz. Creme de Banane (Preferably Hiram Walker's) - (more)
3/4 oz. Lime Juice - (more)
3/8 oz. Bacardi 151 Proof Rum - (more)
3/8 oz. Bacardi Black Rum - (more)
dash(es) Grenadine (Preferably Giroux's) - (more)
Mix in a blender with ice. Serve in a 12oz. glass. Served best in the Keys, Florida.