Stir-fried cabbage, Dongwon tuna, and carrots
Wash the cabbage thoroughly and cut it into bite-sized pieces
Thinly slice the onion
Heat cooking oil in a pan and sauté the onion
Add the cabbage and stir-fry together
Add the tuna (drained of oil) and stir-fry
Season with soy sauce and pepper
Turn off the heat when everything is cooked