STIR sugar syrup and bitters with two ice cubes in a glass. Add 1½ shots of cognac and two more ice cubes. STIR some more and add another two ice cubes and another shot of cognac. Stir lots more and add more ice.
Orange zest twist
An Old-Fashioned made with cognac instead of whiskey. Works well.
Created in 2001 by yours truly (Simon Difford), London, England.