Fizzy Rhubarb Cocktail Recipe

With sparkling drinks on the rise, join the trend with this tart Fizzy Rhubarb Cocktail.

Tangy and sweet, this is a bubbly mix that fulfills all your rhubarb dreams.

It’s the perfect mocktail for family gatherings and relaxing in the sun—made for floating in the clouds.

Fizzy Rhubarb Cocktail


  • 1 lb rhubarb, sliced into ¼ inch semicircles
  • 2 cups light agave nectar
  • ½ cup apple cider vinegar
  • Sparkling water
  • Sprigs of fresh thyme and kumquat slices for garnish


  1. To make syrup, combine sliced rhubarb and agave in a medium mixing bowl.
  2. Cover and let sit at room temperature for 48-72 hours.
  3. Strain, reserving syrup. Add apple cider vinegar to the liquid. (More vinegar is tangier—adjust the amount to your preference.)
  4. Transfer syrup to a lidded container, and keep in the refrigerator.
  5. Combining 3-4 portions sparkling water to 1 portion of syrup.
  6. Dilute or concentrate to your preference. Serve over ice.
  7. Garnish with kumquat slices and thyme!

If you like this Fizzy Rhubarb Cocktail then you will love these summer cocktail recipes.