Grapefruit and Butterfly Pea Flower Kefir Recipe

Surprise your friends with this recipe that produces fizzy purple kefir!

Flavoured with butterfly pea flower and grapefruit, this water kefir will definitively be a hit.

The blue butterfly pea flower gives a magnificent colour to the kefir. This natural plant has been consumed in Asia for hundreds of years.

Its infusion produces a colour that can range from vibrant blue to bright purple, depending on the acidity of the liquid.

In this recipe, the butterfly pea flower, with its high concentration of antioxidants, is mixed with grapefruit juice for a fizzy, colourful, and thirst-quenching kefir!

Water Kefir Flavoured With Grapefruit and Butterfly Pea

Grapefruit & Butterfly Pea Flower Kefir Recipe

Grapefruit and Butterfly Pea Flower Kefir Recipe

Surprise your friends with this recipe for sparkling purple kefir! Flavoured with blue pea flowers and grapefruit, this water kefir is sure to be the talk of the town.
No Ratings
Preparation Time 15 minutes
Fermentation Time 1 day
Course Drinks
Servings 1.4 L


  • 1 L water
  • ¼ cup sugar (cane or brown sugar)
  • 30 ml water kefir grains
  • 1 dried fig
  • 1 organic lemon slice (or without the peel)
  • 3 tablespoons butterfly pea flower
  • ¾ cup grapefruit juice (approx. 1½ grapefruits)


Fermentation of Water Kefir

  • In the jar, pour 1L of water. Add the sugar and stir to dissolve.
  • Add the water kefir grains, the fig, and lemon slice.
  • Cover the jar with a cotton cloth and secure it with a rubber band.
  • Let it ferment 24 to 48 hours at room temperature, or until the fig has risen to the surface.
  • Filter the mixture and save the liquid. Put aside the grains for your next recipe. Compost fig and lemon.

Infusion and Flavour

  • Add the blue pea flowers to the water kefir.
  • Let it sit in the fridge overnight.
  • Remove the pea flowers and add the grapefruit juice.
  • Mix thoroughly.


  • Bottle the flavoured kefir in pressure-resistant bottles.
  • Let it sit at room temperature until the fizz is to your liking.
  • Refrigerate and enjoy!
Have you tried it?Share and tag @revolutionfermentation!

Serve at Easter brunch or simply to add colour to your life!

To learn all about water kefir fermentation, check out the complete guide on making water kefir.

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