Thai Sweet Iced Tea

Bring water to a boil in a saucepan. Stir in tea leaves, vanilla extract, cardamom, cloves, and cinnamon. Cover and remove from the heat. Let steep for 15 minutes.

Pour tea through a fine mesh strainer; discard tea leaves. Add sugar and stir until dissolved. Cover and chill in the refrigerator for 2 hours.

Fill glasses with crushed ice. Pour tea into glasses and top with half-and-half.