Step 2: Then rinse with water.

Step 3: Cut the big sweet potato in half with a knife.

Step 4: Add a proper amount of water to the soup pot.

Step 5: Then put the washed sweet potato on the colander.

Step 6: Cover the pot and steam for 20 minutes.

Step 7: After 20 minutes, insert the sweet potato with chopsticks.

Step 8: plate loading.