Step 1

Build cocktail in the double rocks glass. First, dash aromatic bitters directly into the glass. Next, add Grand Marnier Cordon Rouge, followed by the bourbon.

Step 2

Add large block ice cube and stir until well incorporated and cold

Step 3

Garnish with orange twist, expressing oils over the surface of the cocktail and placing it on lip of cocktail glass. You are now ready to enjoy an Old Fashioned with Grand Marnier.