The method is as follows:

1, wash the sweet potato.

2. put water in the steamer and add sweet potatoes.

3. After boiling, steam for 10 minute, so that the baked sweet potato can shorten the baking time.

4. spread tin foil paper on the baking tray and put steamed sweet potatoes.

5. Bake in the oven 180 degrees for 40 minutes.

6. Turn the sweet potato upside down during baking to ensure uniform baking.

7. Take it out after baking.