Four sweet potatoes? 1 piece of tin foil

step

1. Wash the sweet potato.

2. Wipe off the water.

3. The small head is wrapped in tin foil.

4. Put it on a baking tray covered with tin foil.

5. Bake in a preheated oven at 220 degrees for one hour.

6. I flipped a few times in the middle

7, insert, can penetrate, it is cooked.