Cut the chicken into bite-sized pieces.
Dice the potatoes, carrots, and onions.
In a pot, add the chicken and water, and bring to a boil.
When it starts to boil, skim off any foam.
Add the potatoes, carrots, and onions.
Add gochujang (Korean chili paste), soy sauce, sugar, and minced garlic; continue to boil.
Simmer over medium heat until the broth is reduced.
Add green onions and chili peppers, and boil for a while longer.