manufacturing method
1. Wash potatoes, put them in a pot, add water, bring them to a boil with high fire, and simmer for 40 minutes. Rotten potatoes, peeled, purified, mashed into fine mud, 40 grams of eggs, and mixed with flour.
2. Put butter in the pot, heat it on the fire, stir-fry the chopped green onion until golden brown, pour in the mashed potatoes, stir well with a stick, and let it cool; Sprinkle the remaining flour on the chopping board, add mashed potatoes, knead into balls, then divide into small pieces, make balls, roll flour on them, press them into cakes, and draw patterns with a knife.
3. Pour raw vegetable oil into a pot (or frying pan), heat it to 70% heat, add potato cakes, fry them on both sides until golden brown, take them out and bake them in the oven for 2-3 minutes, take them out, cool them and put them into the pot; Serve it on a plate with sour cream.