Raspberry Granita

Ingredients

1.	Put the lemon juice and zest, water, raspberries and sugar in a pan and heat gently until the sugar dissolves
2.	Simmer gently for 10 minutes, sieve and cool
3.	Pour into a shallow container and freeze for about 15-20 minutes
4.	Break up the ice crystals with a fork, and return to the freezer for 30 minutes
5.	Break up the crystals with a fork, then return to the freezer for another 30 minutes
6.	Break up the crystals one more time. Store in the freezer.
7.	Transfer to the fridge for 30 minutes before serving to soften slightly