Selecting good quality sweet potatoes
The quality of dried sweet potatoes depends largely on the quality of the sweet potatoes. Choose sweet potatoes that are medium-sized, brightly colored, and with a smooth surface. Such sweet potatoes have a higher starch content, and the dried sweet potatoes tastes sweeter and more glutinous when they are sun-dried.
Cleaning and slicing
Clean the sweet potatoes, peel them and cut them into even slices. The thickness of the thin slices determines the texture of the dried sweet potatoes; too thin is easy to dry, but the texture is hard; too thick is not easy to sunlight, and is easy to deteriorate. It is recommended to cut into 2-3 millimeters thickness is most suitable.
Blanching
Blanch the cut sweet potato slices in boiling water for 1-2 minutes, and then pull them out and put them under cold water immediately. Blanching not only removes the astringent flavor of the sweet potato slices, but also makes the starch in the slices mushy, so that the dried sweet potatoes in the sun have a softer and more glutinous texture.
Drying
After blanching, the sweet potato slices need to be dried to prevent excessive moisture in the process of drying, which will lead to spoilage. You can spread out the sweet potato slices in a ventilated and cool place to dry naturally. You can also use a hairdryer to blow dry, but be careful to control the temperature to avoid the sweet potato slices being scorched.
Plating
Place the dried sweet potato slices evenly on a tray or bamboo sieve, and don't stack them on top of each other so that they don't heat up evenly. The best way to do this is to use a mesh tray to ensure that the sweet potato slices are exposed to the sunlight.
Sunning
Select sunny and dry weather for sunning. Place the sunning tray in a sunny place, avoiding rain and dew. Turn the sweet potato slices regularly every day so that they are heated evenly. Generally, the sweet potato slices will become hard and crispy after about 3-5 days in the sun.
Moisturizing
Sweet potato slices that have been dried to half-dry need to be moistened, which will make the sweetness of the dried sweet potato more intense. Put the half-dried sweet potato slices into a bag, seal it and place it in a cool place to rejuvenate for 1-2 days. The sweet potato slices will have a softer and sweeter flavor after the re-moistening process.
Seal and store
Sun-dried sweet potatoes need to be sealed and stored to prevent them from getting damp and spoiled. You can put it in a sealed bag or a sealed jar and place it in a cool and dry place. Dried sweet potatoes stored in this way can be stored for several months, and can be taken and enjoyed at any time.
The above are the detailed steps and tips for sun-dried sweet potatoes. Mastering these tips, you can also sun-dry amazing sweet and delicious dried sweet potatoes, and share the joy of this food with your family and friends.