Due to the contrast of the site environment. It's inconvenient and there aren't so many things, so we can only bake them with fire.

Then introduce two methods of roasting with fire.

Find some loess to turn into mud in advance, and then wrap the sweet potato in the mud. I want you to bake the thicker one on the fire until it dries. For a while. The sweet potato is ripe.

You can also dig a hole in the ground and bury the sweet potato underground. The soil should not be too thick, and then. The skin of the sweet potato rose and caught fire. Wait until. When the fire goes out, dig it out. The sweet potato is ripe, too