Starbucks Japan adds new Sweet Potato Frappuccino and Latte to the menu, but do they deliver the taste of autumn?
New drinks coincide with the opening of the chain's new "Customisation Bar", giving us a hack for making them even better. There's now a distinct feeling of autumn in the air, and Starbucks is heralding its arrival in Japan with a very distinctive autumnal flavour: sweet potato.
