It's sultry and sultry. The entrance is sweet.

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

Step2:Spare the salted eggs.

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.

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

Step5:The delicious mustard soup is finished.
Cooking tips:There are skills in making delicious dishes.