What is Grand Marnier?

Grand Marnier Cordon Rouge is a blend of cognac and distilled essence of Caribbean bitter orange (Citrus aurantium), sweetened and bottled at 40% ABV. Louis-Alexandre Marnier-Lapostolle created it in 1880. Because the base is brandy rather than neutral spirit, it is classified with orange liqueurs but not with triple sec.

Cointreau is drier, clearer in peel character, and has no oak. In a Margarita the substitution is sometimes sold as a Cadillac Margarita; the drink becomes rounder and less sharp. In a Cosmopolitan the same swap pulls the cocktail toward brandy and away from cranberry-lime.

Orange marmalade, cognac oak, vanilla, and more weight on the palate than Cointreau. The orange is cooked and candied in impression rather than zest-bright.

That extra body can round a Margarita or Sidecar. It is surplus to a Daiquiri-shaped drink that wants only rum, lime, and sugar, and it will muddy a Cosmopolitan.

Marnier-Lapostolle introduced Cordon Rouge in 1880 as a luxury orange liqueur for the European table and café. It entered American restaurant bartending as a premium pour, first in brandy cocktails and later in tequila sours.

The Sidecar can be made with either Cointreau or Grand Marnier; the latter pulls the drink toward the weight of a brandy crusta. Neither bottle is a coloring agent. The orange is distillate plus, in this case, cognac.

Use Grand Marnier when the recipe names it, or when a sour or stirred drink should carry orange plus brandy. A half-ounce in a sour is a substantial dose. Substituting it one-for-one for Cointreau in a Margarita or Cosmopolitan increases body and oak and reduces the impression of fresh peel.

The bottle is shelf-stable. Store it like cognac, tightly capped and away from heat. Refrigeration is unnecessary.