Lemon Lime Slush

2 tblsp finely grated lemon rind
2 tblsp caster sugar
3/4 cup boiling water
3/4 cup lemon juice
2 1/2 cup ice cubes
6 scoops lemon lime sorbet


Place lemon rind in a large heatproof jug. Add sugar and boiling water. Stir until sugar has dissolved. Stir in lemon juice. Refrigerate until chilled. Strain mixture into blender. Add ice and sorbet. Blend until combined. Serve.