Gyeran jidan 계란지단
Remove egg yolk from the white and stir without letting it foam; strain through a sieve.
Preheat a frying pan and oil. Pan-fry white and yolk separately on low heat to the desired thickness.
Cut the fried white and yolk into various shapes such as domino or diamond shapes, or thin strips, and garnish.
Source
Source: The beauty of Korean Food: With 100 Best-loved recipes by institute of Traditional Korean Food