江苏东台县安丰下灶‘牛脚扁’大蚕豆是一个高产优质的地方良种。粒大，平均千粒重１５００—１６００克，皮色青白；豆粒粉质而细腻，适口性极好。煮青豆，鲜美沙甜，炒老豆既脆且酥，更是加工各种蚕豆制品的上乘原料。该地种植历史悠久，相传由明朝初年的学者王心斋，在安丰? An Feng, Dongtai County, Jiangsu stove under the ’cattle feet flat’ broad beans is a high yield and quality of the local varieties. Large grain, the average grain weight 1500-1600 grams, pale skin color; quality and delicate bean grain, palatability is excellent. Boiled green beans, sweet and savory, fried beans are crisp and crisp, but also processing all kinds of products of superior quality beans. The cultivation of a long history, according to legend by the early Ming Dynasty scholar Wang Xin Zhai, Anfeng?