Step 1:
1. Bring water and sugar to the boil in a saucepan and simmer for 2 minutes then leave to cool to a syrup. Step 2:
2. Blitz the raspberries and lemon juice with a blender then push through a sieve. Step 3:
3. Add the cold syrup mixture and stir to combine. Step 5:
perfect with cheesecake and ice cream!