Cooking Steps

1. 

   Step1:Prepare ingredients. Peel and cut sweet potato. Wash and pick mustard.

2. 

   Step2:Spare the salted eggs.

3. 

   Step3:Let the water boil. Drizzle a little oil. Boil the sweet potato and ginger for about 2 minutes. Then pour in the mustard and salted egg for about 5 minutes.

4. 

   Step4:The fire can be adjusted to the middle. 5 minutes later, open the lid and put the salty egg white and salt.

5. 

   Step5:The delicious mustard soup is finished.