Wash the flank beef clean and scald in boiling water for 10 minutes, cut into large pieces.Mix 1 tablespoons dark soy sauce, 1 tbsp. wine and 1 tsp. sesame oil with the flank beef.

• 牛腩原块飞水十分钟左右，取出切大件拌以老抽一汤匙、酒一汤匙及麻油一茶匙。。