- 1 large or 2 small watermelons, 250ml lemon juice (squeeze your own), 100g golden caster sugar, 1l bottle soda water,1 lime cut into slices, small handful mint, crushed ice.
- Cut the top off, the watermelon and hollow it out using a large spoon, fishing out any pips along the way. Mash the flesh through a sieve into a bowl. Put the flesh in a blender (or use a tall jug and hand blender) with the lemon juice and sugar, whizz to a purée, then stir in the soda. Place some Ice into mason Jars and them pour equal amount of the lemonade mixture into the jars. Serve the rest in a jug with the lime slices and mint. Have a bowl of extra crushed ice on the side so people can help themselves