01 -
Bring 4 cups water just to a boil. Remove from the heat, add the tea bags, and steep for 5 minutes, or according to the tea package for a strong brew.
02 -
Remove and discard the tea bags. Stir in 1/3 cup sugar while the tea is warm until fully dissolved. Let the tea cool to room temperature.
03 -
Add the watermelon cubes to a blender and blend until smooth. Strain through a fine sieve for a smoother drink, pressing gently to collect the juice.
04 -
Pour the cooled sweet tea, watermelon juice, lemon juice, and 1 cup cold water into a large pitcher. Stir well and taste. Add more sugar or cold water if needed.
05 -
Refrigerate until very cold, at least 1 hour. Serve over ice with lemon slices, watermelon cubes, and fresh mint.