Recipe:One whole sweet potatoLittle butter or oil (after cooked)Dash of brown sugar (after cooked)Steam it, and dress it!Sweet potatoes are known to reduce inflammation and are a good source of Vitamin A.
Sweets for lower class samurai, "Satsumaimo Kinton". Sweet potato is sweetened, steamed and made into a ball. Sugar was too expensive for the lower class samurai so dried persimmon was used as a sweetener.
The perfectly cooked sweet potato is the "steam-baked" sweet potato! Add slits to sweet potatoes, nestle snugly in glass baking dish, add water, cover tightly with foil, bake at 350 for about an hour. Cooking time may vary depending on thickness