Cocktails & Mocktails

Plum Rum Old Fashioned – (An Easy Plum Syrup Cocktail)

plum rum old fashioned cocktail in a glass with a wedge of plum garnish

This Plum Rum Old Fashioned is a delicious Summer sipper! This fruity play on a classic cocktail uses aged dark rum, homemade Plum Syrup and a dash of bitters! It’s a great way to celebrate plum season with a delicious, festive beverage! Check out our How To video for a quick, visual demonstration!

How To Make This Cocktail

This simple Plum Rum Old Fashioned is easy to make and even easier to drink! Check out this little video:

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Choosing a Rum

When you think of rum, you may be thinking of coconuts, palm trees and tiki drinks… and while that depiction would certainly be accurate – that’s not all rum has to offer. In fact, many rums have power, age and complexity that is comparable to a fine bourbon. We recommend choosing a high-quality dark rum that has been aged in oak. Oak compliments rums natural sweetness (it is made from sugar cane, after all) with notes of vanilla and aromatic baking spices. Some of our favorite rums to use in this Plum Rum Old Fashioned recipe include Ron Zacapa 23, Appleton Estate 8 Year and Plantation Grand Reserve 5 Year.

Plum Syrup

This Rum Old Fashioned recipe calls for a homemade Plum Syrup. Scott created this delicious syrup with an abundance of plums we received in our CSA farm box. Here, in Colorado, we are lucky to have Summer’s filled with beautiful stone fruits grown locally in Palisade. They are some of the best we’ve ever had! The Plum Syrup recipe is easy to make with fresh plums, sugar and water. We have included this recipe below but, for the full instructions, flavoring variations and other serving suggestions – click here.

Share Your Success!

This Plum Rum Old Fashioned is a fun, easy drink to make and enjoy at home! Perfect for all your Summer celebrations and well-earned night caps! When this recipe makes its way to your table, be sure to drop us a star rating! And, as always, mention @foodworthfeed or tag #foodworthfeed in your Instagram posts and stories! We’d love to feature you on social! We love having a seat at your table, you’ll always have one at ours. Cheers!

plum rum old fashioned cocktail in a glass with a wedge of plum garnish

Plum Rum Old Fashioned – (An Easy Plum Syrup Cocktail)

This fruity play on a classic cocktail uses dark aged rum, homemade plum syrup and a splash of bitters!
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Course: After Dinner, Happy Hour
Cuisine: American
Keyword: Plum Cocktail, Plum Old Fashioned, Plum Syrup Cocktail, Rum Old Fashioned
Total Time: 3 minutes
Servings: 1 Cocktail

Special Equipment

  • Yari (or equivlent mixing vessel)
  • Bar spoon
  • Cocktail Strainer


Plum Rum Old Fashioned (1 Cocktail)

  • 2 ounces dark rum
  • ¾ ounce Plum Syrup
  • 2 dashes Angostura bitters
  • Ice as needed for stirring and serving
  • 1 plum wedge optional for garnish

Plum Syrup (15+ Cocktails)

  • 1 Cup granulated sugar
  • 1 Cup filtered water
  • 8 ounces plums (About 4 plums) washed, pitted, sliced


Plum Rum Old Fashioned

  • Gather, measure and prepare the Plum Rum Old Fashioned ingredients as listed. To view metric measurements, toggle the US Customary/Metric switch at the top of this recipe card.
  • Add rum, Plum Syrup and bitters to a yari (or similar stirring vessel). Add ice and use a bar spoon to stir for 30 seconds. See our How To Make Plum Rum Old Fashioned video for a visual demonstrarion.
  • Strain cocktail into a clean glass with fresh ice. (We like to use a large ice cube so slow dillution.) Garnish with a plum wedge, if using. Cheers!

Plum Syrup

  • Gather, measure and prepare the Plum Syrup ingredients as listed.
  • In a small saucepan, dissolve sugar in water over medium-high heat. Once sugar is dissolved, add sliced plums and bring to a boil. Reduce heat to simmer and cook for 5 minutes.
  • With a standard or immersion blender, puree Plum Syrup until smooth. Strain syrup through a fine mesh strainer. We like to strain our syrup twice, to remove any fine particles.
  • Allow syrup to cool to room-temperature. Use syrup in this Plum Rum Old Fashioned recipe immediately or store in an airtight container in the refrigerator for up to two weeks.
    This recipe makes enough syrup for 15+ cocktails. For more information and other serving suggestion ideas, check out the full Plum Syrup recipe post, here.


Calories: 198kcal | Carbohydrates: 16g | Sodium: 13mg | Potassium: 15mg | Sugar: 16g | Calcium: 3mg | Iron: 1mg
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