Step 1: Prepare ingredients: As shown in the figure, wash shepherd's purse for later use, and prepare tofu with internal fat.

Step 2, add a proper amount of purified water into the soup pot and heat it. Cut the tofu with fat into small pieces and cook for ten minutes.

Step three, blanch the shepherd's purse, squeeze it dry with cold water and cut it into pieces for later use.

Step four, prepare starch juice.

Step 5, add shepherd's purse, pour in sauce, and add appropriate amount of rice oil and salt to taste.

Step six, the delicious soup is cooked.