1. 1
   

   Peel the lemons and chop the peel in to tiny pieces. Squeeze the lemons to make the juice and put to the side.

   
   
2. 2
   
   

   Make a syrup by boiling the chopped lemon, with the water (just cold from the tap, not the fizzy water) and the sugar for 5 minutes.

   
   
3. 3
   

   Pour the syrup in to a container, mix with the lemon juice and the fizzy water.

   
   
4. 4
   

   Pop in the freezer, but stir it every hour for about 6 hours, so that it freezes like sorbet!

   
   

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