Cut the chicken breast into bite-sized pieces.
Chop the potatoes, carrots, and onions into easy-to-eat pieces.
Heat cooking oil in a pan and stir-fry the chicken breast.
Once the chicken is cooked, add the prepared vegetables and stir-fry together.
Add soy sauce, chili powder, minced garlic, and water, then bring to a boil.
Simmer over medium heat until the broth has reduced and thickened.
Finish by adding pepper and green onions.