Vietnamese powder material: soup 1. A cow bone 2. 500~600 g3 whole beef brisket. Green onion 4. Ginger 200g5. Sugarcane 6. A tablespoon of star anise. Five tsaoko [broken] eight. Yugui 50 g9. Half a tablespoon of salt and sugar 10. 3 tablespoons fish sauce 1 1. Water 1 1. Other ingredients are in a big soup bowl 1. Slice the raw onion. 5. Nine-story tower with coriander, pepper and pepper. 6. bean sprouts 600g. 7. Lemons 3 and 4. Practice: Vietnamese rice noodles, namely Vietnamese beef rice noodles 1. Broken beef bones and scalded beef brisket were fished up in about three minutes. 2. Roast old ginger onion, sugar cane, tsaoko, star anise and cinnamon, ready to join. 3. Boil the water, add the above ginger and other materials, and cook for one hour. 4. Pick up the brisket, let it cool, and slice it for later use. 5. Keep the soup for another 3-4 hours. 6. Pick up all the ingredients, and the clear soup with salt, sugar and fish sauce is Vietnamese clear soup. 7. Add other ingredients and finally squeeze lemon juice, which is delicious Vietnamese rice noodles.