Do you have to use alum to be a sweet potato fan?

First of all, make it clear whether you make it for sale or for your own consumption. If it is for sale, you can buy a special vermicelli machine for sweet potatoes. Our vermicelli machine doesn't need any additives, and of course it doesn't need alum. The processing capacity is also large, and the energy consumption is low.

If you eat it yourself, you can use starch and water directly, and the ratio can be about 1: 3. Cooking time can vary according to different situations. As long as you see the molding, just add cold water and stir it, without adding alum, which is mainly used for brightening.