It is a renowneddish over abroad. In ancient wartime, many people lost their families becamebeggars(known as Jiaohuazi). One day, a beggar got a chicken without anycooking utensils. So he followed the way of roasting sweet potatoes. Later,this kind of mud baking technique had been improved by chefs. They addedShaoxing wine then encased the chicken with lotus leaf, made it a famous flavorafter years of handing down.