Cut the cabbage, onion, and other ingredients into bite-sized pieces.
Heat cooking oil in a pan and stir-fry the cabbage and onion.
Tear seaweed into small pieces by hand, add to the pan, and continue stirring.
Add the rice and mix well with the other ingredients while stir-frying.
Season with soy sauce and salt to taste.
Transfer the finished fried rice to a bowl.