at room temp. Make a strong tea, and sweeten with sweetened condensed milk (as a poster suggested) for a milk tea. If you are making the blended bobas, use dry coffee creamer. I promise it works! You can buy taro power at an Asian store for taro flavor, but other powdered flavors will be difficult to find. (for all of them, besides chai, I've only see the powdered ones) use 2 part taro powder and 1 part creamer and 1 part sugar. Add ice and fill with water half way and add water if needed. I seem to always be within walking distance of bubble tea here in australia and new stores seems to pop up all the time. The most popular places don't have english menus though which isn't good for me so I stick to easyway. Taro cream is my favorite, and due to the lack of actual taro around here (and my fear of not properly cooking it since raw taro can make you sick), I'll just pick up the mix from the asian supermarket. But the boba tutorial here will be invaluable! I've been trying to get good flavor and the right cooking time on mine for the last few attempts and they still hadn't come out just right, so I'll probably give your method a try when I get home today. :D Several years ago I went through a LOT to try and recreate a certain Peach milk tea w/ boba...I mean it was a