1. Prepare all ingredients (potatoes, eggs, flour, onions, various seasonings), peel potatoes and wash them.
2. Then, shred the potato with a silk scarf, soak it in cold water for a few minutes, then drain the water and put it in a small pot. Put the flour and eggs together in the pot, then add the chopped green onion, salt and pepper and stir well.
3. Prepare the baking tray and brush a little butter to preheat it.
4. Add the well-mixed shredded potatoes, gently pile them up, sprinkle a little sesame seeds on the surface, and slowly fry them on low heat.
5. When the whole potato cake is set and the bottom is golden, turn it over and fry for a few minutes until both sides are golden.