Ingredients
Demerara Syrup →0.25 oz / 7 mL
Orange Peel →garnishto garnish
Aged Rum →2 oz / 59 mL
Angostura Bitters →0.05 oz / 1 mL

Rum Old Fashioned is a classic aged rum cocktail - demerara syrup, bitters in support, stirred until silky. The proportions are the point: recognizable structure, not kitchen-sink improvisation.
Established named drink with documented provenance.
29.8%
Total ABV
after dilution
One perfect serve
Combine the Rum Old Fashioned liquids in a mixing glass packed with ice.
Stir until the drink is cold and lightly diluted.
Strain into a rocks and finish with the usual garnish.
Bar-quality calculator
Finished batch
22.08 oz
≈ 8 serves
Added water
3.68 oz
20% dilution
Estimated cost
$13.25
$1.66 per serve
Scaled live from the standard recipe. Bottle estimates assume 750ml.