This watermelon lemonade looks amazing but is super-simple to make. It's perfect for a kids party or makes a refreshing summer drink for kids or adults<br /><br />Method<br /><br />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.<br /><br />Heap some ice into the hollowed-out watermelon and fill it with the lemonade mixture. 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.<br /><br />