Get a watermelon and cut a thick slice from the middle
Cut the inside of the watermelon out, leaving the outer ring of the watermelon slice intact
Cut up the watermelon, and any more needed to make up the 3 cups
Combine the ingredients in a blender and blitz until smooth
Stick 6 skewers into the watermelon skin ring at equal intervals to create a wheel
Wrap the bottom of the watermelon ring tightly with cling wrap and aluminum foil
Place on a baking tray and fill the ring with the watermelon mixture
Top with some chocolate chips and place in the freezer for 5 hours, or overnight until frozen solid
Remove from the freezer and cut into 6 equal wedges
