Cut the fish cakes into bite-sized pieces.
Julienne the onion, carrot, and green onion.
Add cooking oil to a pan and heat over medium heat.
Add the prepared fish cakes and vegetables to the pan and stir-fry.
Add soy sauce, sugar, and cooking wine, and stir-fry well to combine.
Season with pepper and finish with a drizzle of sesame oil.
Transfer the finished stir-fried fish cake to a plate.