Boil 2 cups of water, add 6 tea bags to boiling water and let the tea steep for about 15 minutes without moving. If you are making sweet tea, add sweetener now.
Discard tea bags (do not squeeze or tea will be bitter) and combine the brewed tea with the remaining 4 cups of cold water and fresh mint leaves.
Refrigerate the mixture until cold.
Serve the iced tea over ice with fresh lemon slices.
Notes
This iced tea can be sweetened to taste and garnished with additional mint or lemon wedges for extra freshness.