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Is raw purple sweet potato powder better than cooked purple sweet potato powder?
Is raw purple sweet potato powder better than cooked purple sweet potato powder? In terms of nutritional value, raw purple sweet potato powder should be higher. Because it has not been heated, the nutritional components will not be lost. Cooked purple sweet potato powder, after being heated, its nutritional value will be reduced. However, when cooking, we should choose according to the purpose. If it is for making noodles, raw purple sweet potato powder should be used. If it is to be drunk, it is necessary to choose cooked purple sweet potato powder. Let’s take a look at the ways to eat purple sweet potato powder.
1. Preparation work
The materials needed to make purple sweet potato powder are very few, just prepare an appropriate amount of purple sweet potato, a blender, and an oven. Then wash the purple sweet potato with water and set it aside for later use.
2. The specific steps for making purple sweet potato powder are as follows:
(1) Firstly, steam the purple sweet potato for 20 minutes, until it is fully cooked, and the skin of the purple sweet potato can be left on during this process.
(2) After the purple sweet potato is steamed, peel the skin off the purple sweet potato and then press it into a paste in a bowl.
(3) Then pour the purple sweet potato puree onto a high-temperature non-stick cloth and press it into thin slices with a spoon.
(4) Preheat the oven to 90℃ and dry the purple sweet potato puree for 2 to 3 hours, until the purple sweet potato puree becomes crisp and thin, and can be easily separated from the non-stick cloth.
(5) Put the peeled purple sweet potato puree into a blender and blend it into a powder, then put it into a clean and disinfected container for use at any time.
3. Cooking Techniques
Firstly, when roasting purple sweet potato puree, the oven temperature should not exceed 90℃, and a temperature range of 50℃ to 70℃ is relatively ideal, otherwise, the high temperature is prone to burning the purple sweet potato puree. Secondly, in addition to the method of first making purple sweet potato puree and then roasting, purple sweet potato slices can also be dried, placed in a blender, and ground into purple sweet potato powder. Thirdly, if a finer purple sweet potato powder is desired, it is recommended to sieve it several times through a fine mesh. Fourthly, homemade purple sweet potato powder can only be stored for a few months, so everyone needs to pay attention to prevent it from expiring.