To make homemade potato flour, first prepare the materials: potato starch: 1000g, alum: 2g, salt: 3g.

1, potato starch into the container, add water and stir until paste, do not add too much cold water, as long as it becomes batter.

2. Add appropriate amount of alum and salt and mix well.

3. While adding boiling water, stir in one direction until the potato powder becomes transparent and sticky.

4. Add appropriate amount of dried potato starch and knead into dough.

5. After kneading the dough, flatten it with a rolling pin, roll it thin, and then sprinkle some potato starch on it.

6. Fold it up.

7. Cut into strips with a knife.

8. Shake it, so that the potato powder is ready.

Baidu encyclopedia-potato noodle