Cooking Steps

1. 

   Step1:Wash and cut potatoes into hobs, beef slices, scallion and ginger slices.

2. 

   Step2:Heat the oil in the pot. Add the onion and ginger. Stir fry the beef quickly. Add a little vinegar. Stir until the color changes. Put the potatoes immediately. Stir for a few times, then add the old soy sauce. Add water to the potatoes

3. 

   Step3:Bring to a boil. Put in the star anise. Simmer over medium low heat for 20 minutes. Add salt and continue to collect the juice. Garnish with coriander.