Premix all of the ingredients in a soda syphon, charge with Co2 and shake well.
Place in the fridge for at least 1 hour
before serving.
Note that upon carbonation, it is preferable to have all elements extra cold for better results; the premix, the Syphon itself and the Co2 charges respectively.
Syphon out the cocktail in a round Sumo glass with a large ice cube inside.
Garnish with a gingerbread tuile.

Kombucha
is a fermented, slightly alcoholic, lightly effervescent, sweetened black or green tea drink commonly intended as a functional beverage for its supposed health benefits.