01 - Bring the water to a boil in a small pot or kettle.
02 - Add the black tea bags to the hot water and steep for 4–5 minutes, then remove the tea bags.
03 - While the tea is still hot, stir in the sugar until completely dissolved.
04 - Allow the tea to cool to room temperature, then stir in the fresh lime juice.
05 - Fill two tall glasses with ice cubes. Pour the lime tea over the ice.
06 - Garnish each glass with a lime slice. For a creamy version, drizzle ½ tablespoon of sweetened condensed milk over each glass and stir gently.