12oz/350g granulated sugar 1/2pt/300ml water 2/3 large juicy grapefruit juice of 1 lime 1 egg white grated citrus zest for decoration
Instructions
1) Dissolve sugar in water in a pan over a low heat. Bring to the boil then remove from heat. Squeeze juice from grapefruit and stir into sugar mix, add lime juice.
2) Pour mixture into a freezer proof container and freeze. When it is half frozen, (after approx 2 hours) turn out into a mixing bowl, whisk egg white until stiff and fold into mixture. Return to freezer and half freeze again. Remove and whisk. Freeze until firm. Serve in scoops.
