Cut the boneless chicken leg meat into bite-sized pieces.
Slice the onion, green onion, and carrot into easy-to-eat pieces.
Make the teriyaki sauce.
Put cooking oil in the pan and stir-fry the chicken.
Add the vegetables and stir-fry together.
Pour in the teriyaki sauce and simmer until thickened.
Plate the finished teriyaki stir-fried chicken galbi.