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Do Not Pass Go, Do Not Collect $200: Make this Rum Old Fashioned

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rum old fashioned on a cutting board with spices
Rum Old Fashioned

We’re taking fall to the next level with this rum old fashioned. I know it’s heresy to use anything other than whiskey in an old fashioned, but the original, early written descriptions of an old fashioned didn’t necessarily mention whiskey specifically. Just “spirit.”

And they weren’t talking about ghosts.

But using rum for a fall old fashioned sweetens the cocktail, especially with this syrup created specifically for fall cocktails. So, mix up this lovely fall rum old fashioned that makes you want to put on a warm sweater and sit by the fire.

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What is an Old Fashioned?

An Old Fashioned is a classic whiskey cocktail consisting of whiskey, spirit and bitters. It’s simple, fast and enlessly variable. While I prefer using simple syrup as the sweet element in my Old Fashioneds, many people prefer a muddled Old Fashioned.

The Old Fashioned is considered one of the oldest whiskey cocktails, and was often used as a morning drink, much like we drink the mimosa or bloody marys today.

I’ve written a full article on my perfect old fashioned; it’s a great compilation of the history and elements of the cocktail. In essence it was first used as a method to take your medicine! Early cocktails included bitters with whiskey – since both were perceived to be medicinal (more on bitters here).  The three basic elements of the old fashioned became codified in the early 1900s as whiskey, sugar and bitters.

About the Rum Old Fashioned

Go forward a hundred or more years and the base spirit in an old fashioned is often replaced by something other than whiskey. Think of the Oaxacan old fashioned, or a great brandy old fashioned. Both of those change out the base spirit, but still use the addition of a sweetening agent and a bitter.

We don’t hear much about a rum version of the old fashioned, and that’s disappointing.

Because it’s delicious!

Why a Rum Old Fashioned Works

rum old fashioned on a cutting board with spices and bottle of rum
Rum Old Fashioned

Rum, like whiskey, is an aged spirit. Often, it ages in used whiskey or bourbon casks, sitting for years in the Caribbean climate to soak in and out of the barrel staves over time. As it ages, it draws notes from the wood and the spirit previously in the barrel, usually whiskey.

Like whiskey, aged rum can be complex. Often more than just caramel and vanilla aromas, rum can have complex floral, herbaceous and nut notes, just like whiskey. It also gives off spice notes, earthy notes and complex bitter flavors at times. Because of this complexity, rum’s a good match for the old fashioned.

Just as I prefer aged tequilas in my old fashioned (over silver tequilas), I prefer aged rums to make the same drink. It’s harder to find a higher proof aged rum to mix with.

Most producers bottle rum at 40% alcohol or 80 proof and lower than I’m using to mixing with. I understand the need to punch up tiki drinks with a bit of overproof rum to keep the rum from disappearing into the drink.

However, in this case, with the Ron Viejo de Caldas (gifted as a PR sample) 8 year, the flavors were still pronounced enough to hold up at 80 proof. I suggest diluting less than you might with a higher proof whiskey but serve it over a single large cube with my fall simple syrup. You might be converted to a rum drinker.

Fall Simple Syrup

fall simple syrup in a jar surrounded by spices
Fall Simple Syrup

I created this fall simple syrup to evoke some of the flavors and smells I associate with the season. The syrup’s notes of honey, brown sugar, baking spices and ginger fits well with both whiskey and rum cocktails because their flavor profiles can be so similar.

The ginger slowly heats up a bit after the syrup sits a day or two, so don’t be disappointed if it’s not as punchy as you’d like when you taste it right after making it.

Bitters for a Rum Old Fashioned

rum old fashioned on a cutting board with spices and bottle of rum
Rum Old Fashioned

While many standard recipes for a rum old fashioned call for orange bitters, with the fall simple syrup I wanted this rum-based old fashioned to be a bit earthier and spicier than your average rum cocktail. To do that I added two spiced bitters and a dash of allspice dram.

The allspice dram works just as it does in any tiki drink. The heat and aggressive clove spice of the spirit cuts into the sweetness of the rum and simple, redefining it.

In addition, I added Old Forester’s Smoked Cinnamon bitters which are more cinnamon than smoke, but a great way to link the ginger and the rum together.

The second bitters, the Woodford Sassafras and Sorghum bitters are some of my favorite ways to add earthy, dark elements to a cocktail. They’re bitter, but in a way that makes me think of wandering through a forest trail as the leaves have fallen.

Other Old Fashioned Cocktails to Try

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rum old fashioned on a cutting board with spices being poured into glass
Rum Old Fashioned
rum old fashioned on a cutting board with spices

Rum Old Fashioned

Heather Wibbels
Break into fall’s spice flavors with this rum take on an old fashioned cocktail. The rum old fashioned pairs a fall simple syrup with earthy and cinnamon bitters to create a drink that tastes like fall in a glass. A tiny splash of allspice dram adds some pepper and savory spice to the cocktail to keep the sweetness of the rum and simple syrups in balance.
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Total Time 3 mins
Course Drinks
Cuisine Rum Cocktail
Servings 1

Ingredients
  

  • 2 oz aged rum (I used Ron Viejo de Caldas 8 year old rum.)
  • ½ oz Fall simple syrup**
  • ¼ oz allspice dram
  • 10 drops of Woodford’s Sorghum and Sassafras bitters
  • 16 drops of Old Forester’s Smoked Cinnamon bitters
  • Garnish: cinnamon stick orange peel

Instructions
 

  • Combine rum, fall simple syrup, allspice dram and bitters in a mixing glass and fill with ice.
  • Stir until chilled, but don’t over dilute.
  • Strain into a rocks glass filled with ice or one large cube.
  • Garnish with a cinnamon stick and orange peel.

Notes

** Fall Simple Syrup
  • 8 oz sugar
  • ¼ cup brown sugar
  • ¼ cup honey
  • 8 oz water
  • ¼ cup chopped, peeled ginger
Combine water, sugar, honey, brown sugar and ginger in a small saucepan and let simmer for 15 minutes. Turn off the heat and let the ginger steep in the syrup for 60 minutes. Strain into a clean jar and store in the fridge. This will keep for at least 3 weeks in the fridge, longer if you add some vodka to the mix.
Keyword bitters, cinnamon, fall simple syrup, ginger, old fashioned, rum, sassafras
Tried this recipe?Let us know how it was!
By on September 29th, 2020

About Heather Wibbels

Heather Wibbels is a whiskey enthusiast (Executive Bourbon Steward, no less) with a passion for cocktails. She loves researching and designing cocktails, drinking cocktails, and teaching cocktails. Mostly whiskey cocktails, given her Kentucky location

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