01 -
Combine cubed honeydew melon, lime zest, lime juice, and mint leaves in a blender. Blend on medium-high speed until completely smooth and frothy, about 2 minutes.
02 -
Pass the blended mixture through a fine mesh sieve into a bowl to remove solids. Transfer the strained concentrate to a jar and refrigerate until cold, or until ready to serve.
03 -
Fill a glass halfway with ice. Garnish with lime wedges, honeydew balls, and fresh mint if desired. Pour 120 millilitres of the sour melon base over the ice, then top with an equal amount of sparkling water or club soda. Gently mix before serving.