Cut the chicken breast into bite-sized pieces.
Make the marinade (gochujang, soy sauce, garlic, chili powder, oligosaccharide, etc.).
Add the marinade to the chicken breast and let it marinate.
Prepare the vegetables such as onion, carrot, green onion, perilla leaves, and sweet potato.
Heat oil in a pan and add the chicken breast and vegetables.
Stir-fry evenly over medium heat.
Once the chicken breast is cooked and the vegetables are tender, it's done.