1. For fresh chestnuts, you can dry them in a ventilated and breathable place for a while, so that the chestnuts will be sweeter when eaten. When preparing to roast, wash the chestnuts with water first.

2. Use a knife to cut a slit on the top of the chestnut, or cut it into a cross shape. This will shorten the time for the chestnut to mature and make it easy to peel.

3. Use the metal tray that comes with the oven to spread the cut chestnuts evenly, and then put them in the oven.

4. Put the oven baffle on the box, plug in the power, and then adjust the oven temperature. The temperature selected here is about 210 degrees.

5. The time for roasting chestnuts will vary depending on the humidity and size. The actual time is about 26 minutes.

6. Regarding the heating mode of the oven, the double-sided heating is adjusted here, so that the top and bottom will be heated more evenly; when roasting chestnuts in the oven, you can do it with anti-scalding protection. Taste it after roasting for a while, which will help you understand the rawness and ripeness of the chestnuts.