Ingredients SodaStream Sparkling Water 200g watermelon, balled 1 sliced cucumber 12 mint leaves Ice Directions To prepare the SodaStream sparkling water: Fill a SodaStream 1 Litre Bottle to the line with cold water and carbonate. In a jug, add ice, watermelon, cucumber slices and mint leaves. Top with sparkling water and leave to infuse for 15 minutes. Makes 4. Explore Flavours Explore Flavours