Rhubarb Whiskey Sour

By Emily Farris
April 18, 2017
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Author Notes: After you try this, you may never be able to enjoy a traditional whiskey sour again. Rhubarb has a tart flavor, which makes it perfect for a cocktail syrup. Emily Farris

Serves: 1

Rhubarb Syrup

  • 5-6 cups rhubarb, cut into 1/2 inch pieces
  • 2 cups sugar
  • 2 cups water
  • 2 tablespoons apple cider vinegar
  • 1 pinch cinnamon
  • 1 pinch cardamom
  1. Add the rhubarb, sugar, and water to a medium-size pot over medium to high heat, stirring occasionally. Once it reaches a boil, reduce the heat to a simmer, and add the vinegar, cinnamon and cardamom. Stir, then let the mixture simmer for at least 30 minutes, or up to an hour. The longer it simmers the more syrupy it will become.
  2. Strain into a bottle or mason jar and let it cool to room temperature, then seal and refrigerate. This will keep in the fridge for weeks. But you’ll probably use it all before that.

Rhubarb Whiskey Sour

  • 1.5 ounces rye whiskey
  • 1.5 ounces lemon juice
  • 1 ounce rhubarb syrup
  • 1 white from a small egg (or ½ from a large)
  • 1 Maraschino cherry for garnish, optional
  1. Add the whiskey, lemon juice, rhubarb syrup, and egg white to a cocktail shaker with a handful of ice. Shake well and strain into a chilled coupe glass. Garnish with a maraschino cherry (or don’t, because they’re gross, but so pretty!) and enjoy.

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