Cut the chicken into bite-sized pieces.
Slice the cabbage, sweet potato, onion, and green onion into pieces for easy eating.
Season the chicken with gochujang (Korean chili paste), soy sauce, minced garlic, red chili powder, sugar, and other seasoning ingredients.
Heat oil in a pan and stir-fry the seasoned chicken.
Add the vegetables and stir-fry together.
Continue to stir-fry over medium heat until all ingredients are cooked through.