1. You can use solid alcohol, you can use a gas stove to burn.
2. Be sure to keep flipping or it will be easy to confuse
3. Besides roasting sweet potatoes, you can also roast other things
Tips:You can put less bamboo charcoal so that the fire is not too high. If the temperature is low, you can put it a little bit or put the sweet potato in the bamboo charcoal pile, but then you need to wrap a few more layers with tin foil.
