Read my Beginner's Guide to Matcha for more information. Hojicha is usually available as a loose leaf tea, or in tea bags. Loose leaf hojicha tea can also include bark, twigs and stems.
In Singapore, Starbucks sells a hojicha-tea based frappuccino that can't be found in the US. The frappuccino was first released in Japan in 2017, and was initially made with caramel sauce.