1. Wipe the black casserole with a wrung out wet towel and set aside.
2. Put it in a small grill (I don’t have a suitable one at home, so I made a temporary one with thick iron wire)
3. Lay the tin foil (matte side up) crisscross on the grill, with the edge protruding out of the pot a little bit to prevent the sweet potato juice from flowing into the pot.
4. Wash the sweet potatoes, wipe off the water, and put them in the pot.
5. Cover the pot, turn on high heat, and bake for 20 minutes.
6. After 20 minutes, turn the sweet potato underneath with chopsticks.
7. Continue to roast for 20 minutes.
8. When the time is up to turn off the heat, don't rush the lid, use the preheat in the pot to simmer for another 10 minutes.
9. Use chopsticks to pierce the sweet potato, easily pierce it through, and it's ready to bake! Sweet and soft, so delicious!
10. Finished picture.
Tips:Heile casserole should always be placed in a ventilated and dry place, with the pot body upside down. Try to choose sweet potatoes of the same size as they can be easily pierced through. If the sweet potatoes are relatively large, extend them for a few minutes. The black casserole can withstand a high temperature of 800 degrees. The ordinary casserole cannot be used to bake sweet potatoes.
