Cut the chicken into bite-sized pieces.
Cut the potatoes, carrots, and onions into large chunks.
Add cooking oil to the pan and stir-fry the chicken.
Add the vegetables and stir-fry together.
Add soy sauce, water, sugar, minced garlic, and pepper, then bring to a boil.
Soak the glass noodles in water, add them, and cook.
Simmer until the broth reduces.
Transfer to a bowl and serve.