2. Wrap the sweet potato in tissue paper for several layers and dip it in water, so that the surface of the sweet potato is wrapped in tissue paper and the water in the sweet potato can be locked.

3. Put the wrapped sweet potato in the microwave oven and turn it over with a barbecue stall or a high fire stall for three or four minutes.

4. Turn on the microwave oven and bake the other side of the baked sweet potato for three or four minutes with high fire or barbecue stall.

5. After baking on both sides for three or four minutes, take the sweet potato out of the microwave oven.

Baked sweet potato taken out of the microwave oven. The tissues are all dry.

6. After uncovering the facial tissue, the surface color of sweet potato is black and smells delicious. (Be careful, it's very hot. Don't let the children touch it. )

Let it cool for a while, and you can eat it. Uncover the skin of sweet potato, and the fragrance comes to the nose. Wow, the color inside is so red. It is really delicious.