In a small saucepan over medium heat, mix sugar with 1 cup water. Cook until sugar dissolves, stirring continually, for 3 to 5 minutes.

Pour the sugar syrup, lemon juice, and remaining 3 cups water into a pitcher; add mint and stir well.

Serve in tall glasses over ice.

Recipe Courtesy of Quick & Kosher: Meals in Minutes by Jamie Geller (Feldheim 2010)