2. Let the mashed potatoes cool, and add eggs, salt, sugar, flour, kudzu root powder, chopped green onion, milk and appropriate amount of water to make a batter. Using milk will increase the aroma of potato cakes, or you can mix them all with water. If there is no kudzuvine root powder, cassava powder can be used instead, or all flour can be added. The kudzuvine root powder I use is particularly soft and waxy.
3. Scoop a spoonful of batter with a spoon and fall from a height. This kind of cake will be round and can be eaten when fried until both sides are golden. You can put a little more oil, it will smell better.