Sweet potato is semi-nutritionally balanced-food, suitable as a side-dish, dessert and it matched well with alcohol drinks. It's even used as fuel occasionally. Sweet potato is easy to grow and is one of the foods to save us from food-shortage and environmental issues.

You can obtain more calories than the same amount of rice. "Sweetness by only roasting", we pursue to expand the potential of potatoes. We purchase sweet potatoes from trustworthy farmers and several farmers through wholesaler. Each sweet potato has own taste and difference between farmers. Wholesaler changes the way of roasting depends on the potato's conditions.