Cut fish cake, onion, green onion, and carrot into bite-sized pieces.
Add cooking oil to a pan and stir-fry the onion and carrot.
Add the fish cake and green onion, and stir-fry together.
Mix gochujang, soy sauce, sugar, chili powder, and minced garlic to make the sauce.
Add the sauce to the pan and stir-fry until the ingredients are well coated.
Add 50ml of water and simmer lightly.
Serve the spicy stir-fried fish cake on top of rice to finish.