Minty Lemon Tea

3 quarts cold water, divided
3 family-size tea bags
1/2 cup fresh mint leaves
1 1/2 cups sugar
1 (12-ounce) can frozen lemonade concentrate, thawed
Garnish: fresh lemon slices, fresh mint sprigs

1. In a medium saucepan, bring 1 quart water to a boil. Remove from heat, and add tea bags and mint; cover, and steep for 5 minutes. Strain tea into large pitcher. Add sugar, stirring until sugar is dissolved. Add lemonade and remaining 2 quarts water; stir to combine well. Cover, and chill. Serve over ice. Garnish with lemon slices and mint sprigs, if desired.