Step 3: Serving
To serve the tea, fill a tall glass with ice, and pour the tea over the ice, leaving about 1/4 of the glass empty at the top. Open a can of evaporated whole milk (NOT sweetened condensed milk), and top the glass off with it. Pour slowly, so that the layers stay distinct. Serve with a straw or long spoon for mixing!
Some people like more milk than others, so you'll have to experiment a bit. Likewise, some people like to drink their tea with the layers intact, and others like to mix it up right away. Thats the fun of the drink! If you serve it with layers intact, then each person decides what they want to do. Personally, I mix it very gently, so that it still has some swirls of milkier and less milky tea, but isn't completely layered.