Clean and prepare the chicken thoroughly.
Cut potatoes, carrots, and onions into bite-sized pieces.
Heat oil in a pan and sauté the chicken until golden brown.
Add the vegetables and stir-fry together.
Add soy sauce, sugar, minced garlic, and water, then bring to a boil.
Simmer over medium-low heat until the sauce is reduced.
Finish by seasoning with sesame oil and black pepper.