Cut the chicken breast into bite-sized pieces.
Slice the onion, green onion, carrot, and cabbage.
In a bowl, mix the chicken breast with gochujang (Korean chili paste), soy sauce, garlic, red pepper powder, oligosaccharide, and pepper.
Heat oil in a pan and add the seasoned chicken breast and vegetables.
Stir-fry over medium heat until the chicken is cooked through.