Rum Old Fashioned

Some Old Fashioned purists scoff at the notion of featuring a non-whiskey spirit in the drink, but the Old Fashioned is really more of a template than an exact recipe. Composed of a spirit, sugar, water and bitters—the same formula as the first recorded definition of the word “cocktail”—the drink can be customized liberally and still work. The famous bartender and author, Jerry Thomas, even included an Old Fashioned made with Holland gin in the 1862 edition of his classic book, “The Bartenders Guide.” So, it’s time to set aside the idea that whiskey is the only Old Fashioned option. Otherwise, you might miss out on excellent reconsiderations like the Oaxacan Old Fashioned constructed with tequila and mezcal, or this Rum Old Fashioned made with, yes, rum.

There are as many ways to make the Rum Old Fashioned as there are rums, sweeteners and bitters, but this version calls for dark rum, demerara syrup, allspice dram and two kinds of bitters: orange and Angostura. Dark rum presents oaky notes from aging in barrels, which should appeal to whiskey drinkers, and the allspice dram lends an additional layer of spice and complexity. Simple syrup will suffice, but demerara syrup made from raw cane sugar provides a richer taste and mouthfeel. Finally, the doubled-up bitters bring structure and balance in the form of zesty citrus and bold aromatics.

This may not be the Old Fashioned you’re used to, but it’s an Old Fashioned whose acquaintance you’ll want to make. The profile mirrors the whiskey-based version enough that even the traditionalists will be happy, while offering enough unique character to please drinkers who want to branch out.

• 2 ounces dark rum
• 1 teaspoon allspice dram
• 1 teaspoon demerara syrup
• 2 dashes Angostura bitters
• 2 dashes orange bitters
• Garnish: orange twist

1. Place a large ice cube into an Old Fashioned glass.
2. Add the rum, allspice dram, demerara syrup and both bitters, and stir until well-chilled.
3. Garnish with an orange peel.

A useful guide turns confusion into a repeatable process. Rum Old Fashioned should leave you with measurements, shopping rules, and a short practice plan — not vague inspiration.

• Balance: spirit, sugar, acid, dilution.
• Temperature: cold glassware and solid ice.
• Freshness: citrus, herbs, and vermouth age in real time.
• Seasoning: salt, bitters, and peels change aroma dramatically.

1. Day 1–2: master one base recipe for Rum Old Fashioned.
2. Day 3–4: change only one variable at a time.
3. Day 5: batch a small pitcher for guests.
4. Day 6–7: write your house ratio on a card and stick it inside the bar cabinet.

You need a jigger, shaker or mixing glass, strainer, and peeler. You do not need twelve obscure tinctures on day one. Spend on ice trays and fresh produce before collectible glassware.

Too hot? Dilute longer or lower the proof. Too flat? Add citrus oils or a pinch of salt. Too sweet? Cut syrup and extend stir time. These micro-fixes keep Rum Old Fashioned consistent across nights.

Revisit this guide after a dozen serves. Your palate will change, and so will your preferred ratio. That loop — taste, note, adjust — is the real skill behind every confident pour.

• Primary bottle for Rum Old Fashioned
• Fresh citrus
• Simple syrup or quality liqueur
• Solid ice
• One reliable garnish