Cut the chicken and vegetables into bite-sized pieces.
Blanch the chicken in boiling water, then drain.
Add cooking oil to a pan and stir-fry onion, carrot, and potato.
Add the chicken and stir-fry; then add soy sauce, sugar, minced garlic, and pepper. Continue to stir-fry together.
Add cup noodles, pour in water, and bring to a boil.
Once the ingredients are cooked and the sauce thickens, it's ready to serve.