2 oz. Vodka - (more) 1 oz. Grand Marnier - (more) 1 oz. Isolabella (Or Mandarine Napoleon) - (more) Bitters (e.g. Suze) - (more) Orange Juice - (more)
Pour the alcohol over ice cubes in a highball glass, fill with orange juice and add 3-6 drops of bitter. Stir and drink slowly! :-)
Christian Peper