Cost per Serving:
Bring 8 cups water to a boil in a large pot. Place tea bags in a large bowl and pour boiling water over. Add half of mint; cover and steep for 10 minutes. Strain into pitcher, discarding tea bags and mint. Stir in sugar to dissolve. Cover and refrigerate until well chilled, at least 2 hours. Pour into large glasses full of ice cubes. Garnish with reserved mint.