Gaoyou Shuanghuang duck egg is a specialty of Gaoyou and one of the traditional famous dishes of Han nationality. Gaoyou region is rich in Gaoyou Duck (also known as Gaoyou Ma Duck, one of the three famous ducks in China), which lays many eggs, has a large head and a large proportion of yolk, and is especially famous for producing double yellow eggs at home and abroad. Gaoyou double yellow eggs, one egg is double yellow, the protein is like jade, the yolk is like agate, red and white, and the four walls are connected by beads. It's really a treasure on earth, a fine food and a national treasure. Gaoyou Municipal People's Government also holds the China Double Yellow Duck Egg Festival every year. Gaoyou Shuanghuang duck eggs were selected as the most delicious 100 flavor in the world (1) (ranked second). More than 900 years ago, Qin Shaoyou, a famous poet in the Northern Song Dynasty, gave duck eggs to his teacher and friend-Su Dongpo, then the satrap of Xuzhou. More than 300 years ago, Yuan Mei, a great writer, went to Gaoyou and tasted Gaoyou duck eggs. He made an excellent impression. He left a record in the "Suiyuan Menu" that Gaoyou preserved eggs are the best, with delicate color and rich oil, and Gao Wenduan likes them best. During the dinner, first take it to honor the guests and put it on a plate. Cutting the shell, yellow and white, is always desirable; Don't leave it yellow and turn white, so the taste is not complete and the oil is scattered. In Wang Zengqi's Hometown Cuisine, there is a vivid description: "It was difficult to get water from the sea before, and salted duck eggs from other places really disdained." Gaoyou duck egg processing factory also started earlier. The first egg enterprise in Gaoyou, Yuyuan Egg Factory, came out in the 31st year of Guangxu reign of Qing Dynasty (1905). Gaoyou Shuanghuang Duck Egg participated in the 1909 Chen Sai Nan Yang Advocacy Association and won the reputation of international famous products. The following year, it was exported to the United States, Japan, Singapore, Malaysia and other countries and regions 10.