Chilled Lemon Gingerale

2 1/4 cups water
1/2 cup coarsely chopped fresh mint
1/2 cup lemon juice
2 medium lemons, sliced
1/2 cup lemon sherbet, softened
1 liter ginger ale, chilled

For mint ice cubes, combine the water, mint and lemon juice; pour into two ice cube trays. Freeze until set. In a pitcher, combine the lemons and sherbet; slowly stir in ginger ale. Add the mint ice cubes Yield: about 5 cups.