1. In a saucepan, combine sugar, water, mint leaves and stems; bring to a boil, lower heat and simmer for 5 minutes; remove from heat, cover and let cool.
2. Pour grapefruit juice and cooled mint mixture into a blender or food processor and blend well. Strain and transfer mixture to a shallow pan, cover and freeze until firm.
3. Transfer frozen mixture to a blender or food processor again and blend well. Freeze again in the shallow pan.
4. When ready to serve, use a melon baller and place 3 scoops in a stemmed glass, garnish with a sprig of fresh mint and serve.
Serves: 4
Sourced from: food.com
