Wash the cabbage and cut it into bite-sized pieces.
Julienne the carrot and onion as well.
Heat cooking oil in a pan over medium heat.
Add the onion and carrot first and stir-fry for about 1 minute.
Add the cabbage, season with salt and pepper, and stir-fry for another 2-3 minutes.
Drizzle a little sesame oil to finish.