Tinfoil is required for oven-roasted sweet potatoes. Without tin foil, the skin of the sweet potato will be dry and have a burnt aroma. The tin foil is thin and easy to heat, and can make the heat dissipate more slowly and lock in moisture. Moreover, it is non-toxic and harmless, and can Let the sweet potatoes cook evenly.

Using tinfoil to bake sweet potatoes can prevent the sweet potatoes from drying out and the sweet potato skins from sticking to the baking pan, making it difficult to clean. At the same time, the sweet potatoes baked with tinfoil will be fragrant and tender. It can effectively prevent food from sticking to dirt, facilitate brushing the baking pan, prevent moisture loss, and keep it fresh and tender.

Note that if you use aluminum foil to wrap food for grilling, do not drop acidic substances such as lemon juice into the aluminum foil, because aluminum foil is metal, and when metals and acidic substances are mixed together, it will cause Chemical changes can easily produce substances harmful to the human body.

How to roast sweet potatoes in tin foil

1. Prepare the sweet potatoes.

2. Wash and dry or let it dry naturally.

3. Place it on the baking net and cover it with tin foil to prevent the sweet potatoes from dripping oil in the oven. Place it in the middle rack of the oven at 200 degrees and bake for 45 to 50 minutes. Take it out once in the middle and turn it over so that it is heated more evenly.

4. 190 degrees, middle level, upper and lower fire. 50 minutes. (Turn over halfway) When the time is up, do not rush to open the oven door, unplug the power, and use the residual heat of the oven to continue baking for 10 minutes.

5. It is recommended to wear heat-proof gloves, or take out the baking pan and turn it over before putting it back. I think no matter how small it is, it needs to be baked for at least half an hour.