Rum is varied, and I enjoy drinks that highlight the unique aspects of a particular bottle. A classic daiquiri does that, and so does the rum old fashioned. The rum old fashioned doesn’t have a clear-cut history, as many an imbiber has been mixing rum with sugar, water—and later, bitters—for hundreds of years now. But as the cocktail revival of the 2000s brought classics back to a whole new drinking generation, variations on rum drinks returned to popularity.
The Best Rum for This Cocktail
As all rums have their own unique flavor profiles, keep in mind that not all of them work well for this particular presentation. I like to use an aged rum to mimic whiskey in the original, retaining what makes an old fashioned special. Here are a few of my favorite bottles, but feel free to use your favorite aged rum.
The Real McCoy 5 year aged rum is my choice for a lighter-bodied rum that is flavorful but easily sippable. Appleton Estate Rare 12 year is another favorite but pricer bottle that has a smoky, spicy flavor profile. Rhum Barbancourt 8 year is an “agricole” style rum (this means it is distilled from sugar cane juice, unlike most rums, which are typically distilled from fermented byproduct, like molasses). I go for this rum if I want something rich and really funky.
Rums are diverse in distillation and aging methods, and depending on where the sugarcane is grown, the flavors can be radically different. I always tell people to be aware of where the rums are made and sample lots of bottles to find what suits your tastes.
Sugar Cubes Vs. Simple Syrup
The classic old fashioned cocktail recipe will frequently call for a sugar cube to be muddled into the drink. I shy away from muddling to keep things simple, which can be a polarizing debate among old fashioned drinkers. Since sugar cubes are not something everyone keeps in their pantry, simple syrup is recommended here. For a richer mouthfeel, try making a rich simple syrup. Warm 2 cups of sugar and 1 cup water in a small saucepan, stirring together until all of the sugar has dissolved. Store in the refrigerator for up to 2 months.
Easy Variations
Make it spiced: Swap the aged rum with a spiced rum and the aromatic bitters with orange bittersMake it sweet: Swap the simple syrup with maple syrup for a rich and woody variationMake it tropical: Swap the aged rum for coconut rum and swap the orange peel for lime
More Classic Cocktail Variations
Strawberry Mojito Classic Vodka Martini Boulevardier Cocktail Fall-Spiced Old Fashioned Cocktail Chocolate Sidecar
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