Sugar-coated haws are traditional foods in China, so what is its origin?

Very gourd is one of the top ten traditional cuisines in China. Because it is sweet and sour, it looks very appetizing, so it was awarded to people and children. Green sugar-coated haws originated from Song Guangzong's concubine in Song Dynasty, and she could do nothing about it. Later, a folk, and then a bank in Zhongfa, cooked the window of hawthorn, and the imperial concubine recovered. Therefore, the ingredients are simple, mainly to please Song Taizong's indigestion concubine.