How to make sweet potato flour

1, with 0,7 ~ 1,5 meters hanging pulp cloth filtration, to be filtered 2 times. Initial solution to thin some, the second to thick some, the filtrate into the pool 2 days later, the pool of water to drain, add the original amount of water 1/3 mixing, and then filtered once more, the filtrate into a small pool of precipitation.

2, when the pool is all clarified, drain the water, take out the surface layer of oil powder, take out the lower layer of starch hanging into the powder, placed in the sun on the exposure. When half of the water evaporated in the powder, the powder was cut into a number of exposure. The sun field is located in a windy and sunny place, in order to prevent dust pollution.

3, 500 grams of starch with 100 grams of alum, mixed with 2500 to 3000 grams of cold water, put in a pot. Basin in a pot to boil, stirring constantly, maturity up to eight or nine can be. Paste, can be made of 20 kilograms of starch noodles.

4, before the leakage of silk can be tried to see if the powder dough is appropriate, such as the leakage of the fan is not thick, not thin, not constant that is appropriate. If you are too quick to break the bar, the batter is too thin and should be mixed with dry starch and then kneaded, so that the toughness of the noodles is moderate; if the bar is too difficult or too slow, and the thickness is not uniform, the table batter is too dry, and should be added to some wet starch.

5, the fans to the wind and sunny place, sun-drying packaging is finished.