2 cups fresh lemon juice (from about 8 lemons)
1-1/3 cups superfine sugar
6 cups water
Stir together lemon juice and sugar in a 3-quart pitcher until sugar is dissolved. Add water and stir until combined. Garnish with additional lemon slices and mint, if desired. Serve over ice in glasses.
*Note: You can refrigerate the lemonade if not serving immediately; stir before serving.