Delicious. According to JD.COM, the 52-degree sweet potato cooked in Linyi is delicious because it is a traditional liquor made from local specialty sweet potato and then through a series of unique processing, fermentation, distillation and other processes. These processes include washing the sweet potato, breaking it into small pieces, adding distiller's yeast for fermentation, and then distilling, cooling, aging and other steps. The final sweet potato shochu has unique sweetness and sweet potato fragrance.