Cosmic Currant

Sidecar/New Orleans Sours & Riffs December 16, 2025

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A photo of the Cosmic Currant cocktail containing Ketel One Vodka, LEJAY LAGOUTE Crème de Cassis, Freshly squeezed pink grapefruit juice in a Martini.

Other Ingredients

  • 1.50 fl oz Freshly squeezed pink grapefruit juice

Directions

  • Chill martini glass
  • Add all ingredients to cocktail shaker
  • Fill shaker with ice
  • Shake vigorously
  • Fine strain into chilled martini glass
  • Garnish with blackcurrants

Cocktail Description

The Cosmic Currant brings together the sweet-tart allure of blackcurrants and zippy grapefruit in a vibrant, astronomically refreshing cocktail.



This sophisticated sipper balances the clean neutrality of Ketel One vodka with the rich, jammy depth of crème de cassis, while fresh pink grapefruit juice adds a bright citrus backbone that prevents things from veering into cloying territory. The end result is a beautifully balanced drink with a gorgeous ruby hue that's simultaneously fruity, tart, and subtly sweet. Since it's a straightforward shake-and-strain affair with just three ingredients, even novice home bartenders can master it in minutes. The Cosmic Currant makes an impressive aperitif for dinner parties or a refreshing happy hour option when you want something more interesting than a standard vodka soda. Pair it with salty snacks like marcona almonds or olive tapenade crostini, or serve alongside lighter seafood dishes where its bright acidity cuts through richness beautifully.