Ingredients:

1 cup freshly brewed unsweetened tea, cooled
2 tablespoons lime juice concentrate
2 tablespoons fresh mint leaves, plus 1 sprig for garnish
5 to 6 ice cubes
Sugar substitute, to taste

Directions:

In a blender, combine the ice tea, lime juice, mint leaves and ice cubes. Blend until smooth and frothy. Add sugar substitute for desired sweetness. Pour into a tall chilled glass and garnish with a mint sprig.