Slice the zucchini into half-moon shapes.
Julienne the onion and carrot.
Heat cooking oil in a pan and stir-fry the onion and carrot.
Add the zucchini and stir-fry together.
Add soy sauce, gochujang, sugar, and minced garlic, and stir-fry until the seasoning is well absorbed.
Place the stir-fried zucchini on top of the rice and sprinkle with sesame oil and sesame seeds.