Chapter 1784: Appraisal

her."This thing is called sweet potato, also known as red potato. It can replace staple food and be eaten as the main food, with great effect. It can be eaten raw after washing and peeling, or cooked... to offend the guards at Yueya Pass and also be able to resist the Liao cavalry, then wait until after Yelu Shenxuan leaves the country before informing King Ning.""So, having the King of Ning take ch...