Slice the zucchini thinly into half-moon shapes.
Prepare the carrot, onion, and spinach into bite-sized pieces.
Heat some cooking oil in a pan and stir-fry the zucchini.
Stir-fry each vegetable separately with a little salt.
Arrange the cooked vegetables attractively on top of warm rice.
Add gochujang, sesame oil, and ground sesame seeds, then mix well before eating.