Wash the aged vegetables thoroughly and cut them into bite-sized pieces.
Julienne the carrots and slice the onions thinly.
Heat sesame oil in a pan, then stir-fry the aged vegetables, carrots, and onions separately. Season each with salt.
Place the prepared vegetables and toppings on top of rice.
Mix everything together with sauce (gochujang, sesame oil, minced garlic, and ground sesame seeds).