Sweet potato, flour, sucrose.

Second, practice:

1. Wash sweet potatoes, cut into pieces, and steam in a steamer;

2. Take out the steamed sweet potato and let it cool and peel; Then knead the cooked sweet potato into mud by hand;

3. Add a proper amount of flour and a little sucrose to the sweet potato paste (depending on the sweetness of sweet potato); 4. Knead the mashed sweet potatoes into dough with suitable hardness;

5, on the pot, pour in the right amount of cooking oil, and reduce the oil temperature to a small fire after heating to 80 degrees;

6. Grab a proper amount of dough from the evenly stirred sweet potato sauce, knead it evenly and pat it into a flat circle, and spread the cake blank in the pot until it is golden on both sides.