Boil 4 cups water in a saucepan.
Add 3 tea bags into hot water.
Steep for 5–7 minutes, then remove.
Let tea cool to room temperature.
Blend mango chunks until smooth.
Strain the puree for a fine juice.
Mix the mango juice and tea.
Add sugar and lemon juice gently.
Stir everything until sugar dissolves.
Refrigerate for 1–2 hours to chill.
Fill glasses with ice cubes.
Pour the chilled Mango Iced Tea over.
Garnish with mint leaves, if desired.
Serve cold and enjoy every sip.