Mister Donut releases new sweet potato doughnuts in Japan, and we’ve ranked them from best to worst
Around this time every year, Mister Donut delights fans by releasing a special range called Satsumaimo Do. With "satsumaimo" referring to sweet potato, and "do" being an abbreviation of "doughnut", this range is so popular it's now in its eighth year, but one person who's never really gotten […]
