Brew the tea: Steep black tea bags in hot water for 5 minutes. Remove the tea bags and let the tea cool slightly.
Blend the mango: Add diced mango, honey or sugar, lemon juice, and 1/2 cup cold water to a blender. Blend until smooth.
Strain the puree: Pour the mango puree through a fine mesh strainer into a pitcher for a smoother drink.
Combine the drink: Add the brewed tea and 2 cups cold water to the pitcher. Stir well to combine.
Chill and serve: Add ice cubes and stir until the drink is cold.
Garnish: Serve in glasses with lemon slices and fresh mint if desired.
