The first step: choose sweet potatoes. Bake sweet potatoes in the oven at home by yourself, it is best to choose the kind of slender sweet potatoes, this kind of sweet potatoes are easy to be heated evenly, and it is also easier to bake, save electricity and time.
Step 2: Wash the sweet potatoes. Wash the selected sweet potatoes and dry or air dry the surface. If you prefer to eat the skin, you have to wash it more times and wash it extra well to make it work.
Step 3: Bake. Preheat the oven at 200 degrees for 5 minutes, then place a piece of tinfoil on a baking sheet and place the sweet potatoes on the tinfoil. Put the baking sheet into the middle layer of the oven, set the temperature between 200 and 250 degrees, and bake for about 50 minutes on both upper and lower heat, it's almost done. Remember to turn it over a few times halfway through so that it bakes more evenly.
Additional notes:
Generally speaking, when you see the surface of the sweet potato skin start to brown or blister, it's basically almost ready, then you can take it out and squeeze it with your hands, and it feels soft, so it's cooked through.
It is said that most of the baked sweet potatoes sold outside are boiled in water first and then baked, so the flavor will be much worse, while the baked sweet potatoes made by yourself are much more delicious. However, baking sweet potatoes in an electric oven is also more time-consuming and electricity-consuming.