Clean and prepare the chicken thoroughly.
Cut potatoes, carrots, onions, and green onions into bite-sized pieces.
Heat oil in a pan and sauté the chicken.
When the chicken is half-cooked, add the potatoes and carrots and stir-fry together.
Add gochujang (Korean chili paste), soy sauce, minced garlic, sugar, and red pepper powder for seasoning.
When the seasoning is well mixed, pour in water and bring to a boil.
Simmer over medium heat until the potatoes and carrots are cooked through.
Add onions and green onions, and cook for another 5 minutes.
Taste and adjust seasoning if necessary.