How many doughnuts can you pack in a Mister Donut all-you-can-pack deal?

And most of all, is it worth the effort? A lot has been written about Japan’s all-you-can-eat restaurants, but the nation has plenty of “all-you-can-pack” deals too. Known as “tsumehodai” (“all-you-can-pack”), these deals are generally found at greengrocers, tea merchants and sweet retailers, and now top doughnut chain Mister Donut is offering its own deal, […]