Specialty store of baked sweet potatoes aged with honey. The sweet potato is baked in an environment of 13 degrees Celsius and 85% or more humidity for three months after harvest. The sweet potatoes are baked at a temperature of 13 degrees Celsius and a humidity of 85% or higher for three months after harvesting to saccharify the starch. The sweet potato is baked slowly at a low temperature and has a sugar content of more than 50 degrees C. It is characterized by its strong sweetness, sticky texture, and overflowing honey. In addition to baked sweet potatoes, visitors can enjoy a wide variety of sweet potato sweets made from the honey-aged baked sweet potatoes, such as baked sweet potato brûlée and 1mm silk thread purple sweet potato and ice cream, which have been the talk of the town on SNS.