Rinse the rice thoroughly and prepare it.
Finely chop the onion, carrot, and bell pepper.
Heat cooking oil in a pan and sauté the prepared vegetables.
Once the vegetables are cooked, turn off the heat and put them into a rice cooker with the rice.
Add soy sauce, gochujang (Korean red chili paste), sesame oil, and pepper, and mix well.
Cook the rice in the rice cooker with the seasonings.
Serve the finished rice in a bowl.