Ingredients:

About 1 litre of watermelon cubes

5 dl water

1 lime juice

A little sugar (optional)

Instructions:

Place the watermelon cubes in a blender with the water. Add the lime juice and puree until smooth. Keep in a cool place until ready to serve and mix again. To serve, pour the drink into glasses filled with ice and garnish with mint leaves, then top up with sparkling water.