Heat oil in a wok or suitable pan. Add ginger and onion and stir fry until fragrant. Place beef pieces in the wok and stir fry for another 3 minutes. Then add the flavor mix ingredients and water.
3．炒鍋入油，放進蔥薑炒香；然後放入牛肉炒二分鐘，再加水和調味料，用大火煮開。