Oven sweet potatoes exactly how long needs to be based on the temperature. If the oven is preheated for five minutes, put the sweet potatoes in, and the temperature is maintained between 230 and 250 degrees, then it will take more than 50 minutes, and if the sweet potatoes are larger, it will take more than one hour. When baking sweet potatoes it is recommended to bake one piece at a time so that the heat is even.

To observe whether the sweet potato is baked, you can poke it with chopsticks to check whether it has hard lumps, if there are hard lumps, you need to continue baking, if it is already soft, you can take it out and eat it. The longer you bake the sweet potatoes, the better, can make the sweet potatoes taste better, but don't over bake the sweet potatoes, easy to bake the sweet potatoes.

Extended information:

In the countryside, after the sweet potato harvest, people put the sweet potato on the fire after the burning of the unburned ash, with the sparks of the carbon ash to cover the sweet potatoes, to wait for the right time to be able to bake it soft baked, peel off the skin, can be eaten, then the sweet potato, is a famous dish. Sweet and savory, is a veritable delicacy. There are many kinds of equipment and ways to bake sweet potatoes, the skin is also very clean, baked sweet potato skin can also use charcoal wire. However, sometimes the skin of sweet potatoes baked with charcoal wire is burnt black and should not be eaten too much.

Roasted sweet potatoes were first used as a street food in Taiwan, and roasted sweet potato snacks were basically introduced from Taiwan. Commonly baked sweet potatoes on the street, in the alleys. In our rural areas where there are sweet potatoes, there will be the sweet potatoes will be put into the fire to roast. The kind with shells. The outside is burnt and the inside is tender, very sweet and delicious.