Cut cabbage and smoked duck into bite-sized pieces.
Julienne the onion and carrot.
Stir-fry the smoked duck in a pan first to release the oil.
When the duck is cooked, add the onion, carrot, and cabbage, and stir-fry together.
Season with salt, pepper, and soy sauce to taste.
Place the stir-fried ingredients over cooked rice to serve as a rice bowl.