01 - Bring 2 cups water to a boil in a small pot or kettle.
02 - Add black tea bags to hot water and steep for 4-5 minutes. Remove tea bags and discard.
03 - While tea is still hot, stir in sugar until completely dissolved.
04 - Allow tea to cool to room temperature, then stir in fresh lime juice.
05 - Fill two tall glasses with ice cubes. Pour lime tea over ice.
06 - Garnish each glass with a lime slice. For creamy version, drizzle 1 tablespoon sweetened condensed milk over each glass and stir gently.