Where is Gao-Bao Sweet Potato a specialty?

"Gao yao" is a common cooking method for cooking desserts in Chaoshan cuisine, which is somewhat similar to the "honey dip" in the north, and the specific method is to make the raw materials for the initial cooking process, and then put the raw materials into the sugar syrup and cook them in a Chinese fire (using a large pot). "Gao" in the Chaoshan language contains the meaning of high concentration of liquid, such as the Teochew language in the "Gao Gao Yang" is the meaning of this, so the cake burned should be characterized by the concentration of syrup is higher than the honey. Sweet potato is sweet potato, and Gaojiu sweet potato is a traditional Chaoshan snack cooked by the method of "Gaojiu", which has a very long history.