Creating Korean Rolled Omelets is straightforward if you follow these simple steps:

1. Prepare the Eggs: In a mixing bowl, crack the eggs and add milk or water, salt, and soy sauce if using. Whisk until well combined and fluffy.
2. Chop the Vegetables: Finely chop your choice of vegetables. Ensure they are small enough to fit well into the omelet.
3. Heat the Pan: Heat a non-stick frying pan over medium heat and add vegetable oil, ensuring it coats the bottom of the pan evenly.
4. Cook the First Layer: Pour a thin layer of the egg mixture into the pan, swirling it to cover the surface. Let it cook for about 1-2 minutes, or until the edges begin to set.
5. Add the Vegetables: Sprinkle a portion of the chopped vegetables over the cooked egg layer.
6. Roll the Omelet: Using a spatula, carefully roll the omelet from one end to the other. Leave the rolled omelet in the pan and push it to one side.
7. Repeat: Add more oil if necessary. Pour another thin layer of the egg mixture into the pan, allowing it to cook slightly before adding more vegetables. Roll the previous omelet into the new layer, repeating until all the egg mixture is used up.