Cook for 15 minutes before baking.

Ingredients to prepare: 3 sweet potatoes, appropriate amount of water, and appropriate amount of tin foil.

1. Rinse the sweet potatoes and cook them in a milk pot for 15 minutes.

2. Add water and put it into the milk pot.

3. Put the milk in the pot and cook for 15 minutes.

4. Wrap it in tin foil after taking it out of the pot.

5. Bake in the oven at 220 degrees for 30 minutes.

6. Finished product picture: