In a small saucepan bring water to a boil. Add tea leaves and remove pan from heat. Cover pan and steep tea 5 minutes. Add sugar, stirring until dissolved, and strain tea through a fine sieve into a bowl. Chill tea, covered, until cold and freeze in an ice-cream maker. Sorbet may be made 1 week ahead.
Per serving: 0 Calories (kcal); 0g Total Fat; (0% calories from fat); 0g Protein; 0g Carbohydrate; 0mg Cholesterol; 21mg Sodium Food Exchanges: 0 Grain(Starch); 0 Lean Meat; 0 Vegetable; 0 Fruit; 0 Fat; 0 Other Carbohydrates