Warm up your hands and your heart this season with ishi-yakiimo, a traditional Japanese snack made from sweet potatoes slowly roasted on hot stones. The result? A crisp, slightly caramelized skin and a soft, naturally sweet interior that releases a comforting aroma when broken open.

Once sold from street carts calling “Ishi–yakiimo!”, this cozy winter treat can now be enjoyed year-round in supermarkets and convenience stores. Made without additives, it’s a healthy and heartwarming snack loved across Japan.

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