Citronsherbetglass

👩‍🍳 Gör så här

1. 1
   Scrub the lemons, then grate the zest into a pan. Add the sugar with 550ml water. Bring to the boil, then simmer for 5 mins. Remove from the heat and stir in the citric acid. When cool, add the lemon juice.
2. 2
   Pour into small plastic tumblers and freeze until the mixture is slushy. Stir really well, put a straw in the centre of each tumbler and freeze until solid.