Cut vegetables (onion, carrot, bell pepper, zucchini, mushrooms, etc.) into bite-sized pieces.
Heat cooking oil in a pan and stir-fry the vegetables.
Make a sauce by mixing soy sauce, gochujang, minced garlic, and a little water.
Add the sauce to the stir-fried vegetables, mix well, and stir-fry once more.
Place the stir-fried vegetables and sauce over rice to finish.