shantou xian cai stir-fry pork belly

belly bitter brine cai cantonese chinese course cuisine dish distinct fermented flavor food fried fry grease guangdong hsien main meat mustard mustards neutralize pao pickles pork preserved pungent salt salted salty santow sauerkraut savory shantou sour speciality stalk stir suan swatow sweet thick tsai vegetable vegetables xian