Cut the chicken and potatoes into bite-sized pieces.
Prep the vegetables such as potatoes and onions.
Heat cooking oil in a pan and stir-fry the chicken.
Add potatoes and other vegetables and stir-fry together.
Add soy sauce, sugar, minced garlic, and other seasonings, then mix well.
Pour in water and simmer over medium heat until the potatoes are cooked.
Season with salt and pepper to taste.