Thai Iced Tea (char Yen)

Bring water to a boil in a 4 to 5 quart saucepan (or other large container), over high heat. Add the tea, reduce heat, and simmer for 10 minutes. Strain tea through cheesecloth, add sugar and condensed milk, stir to blend. Set aside to cool. Fill 12 ounce glass with crushed or shaved ice, add 1 cup of tea mixture, float 2 tablespoons of Half & Half on top.