Cut cabbage and duck meat into bite-sized pieces.
Julienne the onion, carrot, and green onion.
Heat cooking oil in a pan and stir-fry the duck meat first.
When the duck is half-cooked, add the onion, carrot, and green onion. Stir-fry together.
Add the cabbage and keep stir-frying.
Season with soy sauce, oyster sauce, and ground pepper.
Once all ingredients are cooked through, turn off the heat.
Sprinkle with sesame seeds to finish.