1. Prepare the ingredients, one egg, cut the onion into small cubes, favorite sauce, a little sesame seeds, a small bowl of water.
2. Heat the oil, add the cold noodles, and pour the bottom with water.
3. Beat in the eggs and add the diced onion. When the eggs are half-cooked, turn one-third out with a spatula.
4. Spread over your favorite sauce, sprinkle with a little sesame seeds, and add a little water to the bottom again.
5. Spread the sauce again, roll it up, you can add two eggs and meat floss if conditions permit!