Place a pot onto the stove and add the monk fruit and half a cup of plain water and bring to the boil. Allow to cool.

Cut and juice the 3 lemons and strain the seeds and pulp.

Pour strained juice into a jug.

After the syrup has cooled, pour into the jug with the lemon juice.

Add 4 cups of sparkling water and a handful of ice and stir well.

Add slices of lemon and a few sprigs of mint as a garnish.

Serve in glasses with ice and lemon slices and sprigs of mint to add colour.