Cut the chicken into bite-sized pieces.
Julienne the onion and carrot.
Heat cooking oil in a pan and stir-fry the chicken.
When the chicken is halfway cooked, add the onion and carrot and stir-fry.
Add soy sauce, sugar, minced garlic, and pepper, and stir-fry until the flavors are absorbed.
Once the vegetables are cooked, turn off the heat and the dish is finished.