Clean the chicken thoroughly.
Cut potatoes, carrots, and onions into bite-sized pieces.
Put the chicken and water in a pot and bring to a boil.
Skim off any foam that forms.
Add potatoes, carrots, and onions.
Add gochujang (Korean chili paste), soy sauce, minced garlic, chili powder, and sugar, then mix well.
Cover with a lid and simmer until the ingredients are cooked.
Add green onions and spicy green chili peppers, and cook for 5 more minutes.