2. Sweet and sour tenderloin is one of the classic traditional dishes in China. This dish is mainly pork tenderloin, with seasonings such as flour, starch and vinegar. Sweet and sour, it makes people have an appetite. This dish is found in Henan cuisine, Zhejiang cuisine, Shandong cuisine, Sichuan cuisine, Huaiyang cuisine, Cantonese cuisine and Fujian cuisine. September 18, 20 10, Chinese Cuisine was officially released in Henan Province. Sweet and sour tenderloin was rated as one of the top ten classic dishes in Shandong.