Cut the chicken breast into bite-sized pieces.
Cut cabbage, onion, and carrot into pieces suitable for eating.
In a bowl, mix chicken breast with gochujang, soy sauce, minced garlic, red pepper powder, oligosaccharide, and pepper.
Heat oil in a pan and stir-fry the chicken breast and vegetables over high heat.
Cook over medium heat until the ingredients are cooked through.
Transfer the finished chicken breast dakgalbi to a plate.