The Old Cuban is what a Mojito grows up to be. Audrey Saunders — the bartender behind New York's Pegu Club — took the Mojito's rum-lime-mint chassis, swapped the white rum for aged, traded the soda for champagne, and steadied the whole thing with Angostura bitters. The result is one of the defining drinks of the early-2000s cocktail revival: festive enough for New Year's Eve, serious enough for the back bar.
Take the beach drink, give it a tuxedo and a glass of champagne, and it will behave beautifully indoors.
History
Saunders developed the Old Cuban in the early 2000s in New York — it was in circulation at Bemelmans Bar at the Carlyle Hotel during her time there, before she opened Pegu Club in 2005, where it became a signature. The name points at the drink's logic: an old (aged-rum, bittered, champagne-finished) take on Cuba's most famous refresher.
It spread the way the best modern classics do — bartender to bartender — and now sits comfortably on lists next to drinks with a century's head start.
The Spec
Structurally this is a mint-and-lime daiquiri, slightly sweet, lengthened with roughly two ounces of dry sparkling wine. The bitters keep the sugar and the champagne's fruit from running away with it.
Aged Rum, Not White
The aged rum is non-negotiable — its vanilla and oak are what separate this from a sparkling Mojito. A quality añejo-style Cuban or Spanish-style rum in the 3-to-8-year range is the sweet spot; anything heavier and smokier starts fighting the wine.
Mint Is Shaken, Not Muddled to Death
Six leaves of fresh mint go into the shaker whole — the shake bruises them plenty. Double-strain so the coupe stays clean, and float a single leaf on the foam.
Bottom Line
The Old Cuban is the rare champagne cocktail that respects both halves of its name — the wine lengthens the drink instead of decorating it. If you make one drink for a celebration this year, make it this one.