Finely chop the white part of the green onion.

Clean the bean sprouts by removing the husks and washing them thoroughly under running water.

Boil 1 cup of water in a pot, add 1 tbsp salt and 1 tbsp cooking oil, then add the cleaned bean sprouts. Cover the pot and boil for 3 minutes.

After boiling, let the bean sprouts sit with the lid on for 30 seconds to 1 minute before opening the lid.

Drain the boiled bean sprouts and rinse them once in cold water. Let them dry completely in a colander.

Place the bean sprouts and chopped green onion in a mixing bowl.

Add the red pepper powder, soy sauce, sesame oil, sesame seeds, and salt to the bowl. Adjust seasoning to taste.