The first step is to clean the surface of the sweet potato with clean water;
The second step is to peel the clean sweet potato, removing skin fibers, diseased spots, black spots, and bitter threads;
The third step of soaking is to soak the peeled sweet potatoes in clean water at room temperature for 1 hour in a timely manner;
The fourth step of steaming is to remove the soaked sweet potatoes and send them to a closed steaming pot for steaming. After about 2 hours, the sweet potatoes will be fully softened;
The fifth step is to cut the sweet potatoes, which have undergone steaming and boiling treatment, into even chunks or strips;
Finally, the drying process involves evenly placing the sliced sweet potato strips on a tray, pushing them into the drying room on a cart, and then setting the drying process with an initial temperature of 65 ℃ and a duration of four hours;
The second stage has a temperature of 60 ℃ and a duration of four hours;
In the third stage, set the temperature to 55 ℃ and dry the sweet potato to the expected moisture content. The drying room will automatically complete the entire drying process and end the drying process.
