2. Soak the beef into the cold water pot blanch through, drain.　　

3. pot of broth, add ingredients 1 in the other materials, high heat boil, simmer with low heat. Meat and soup are stored separately.　　4. When serving, put the chopped cilantro, shredded green onions on top of the pasta, plus cut into small dices of beef, pour into the beef broth that is good.