Cut the chicken breast, green onion, and onion into bite-sized pieces.
Beat the eggs and set aside.
Heat some cooking oil in a pan and sauté the green onion first to release its aroma.
Add the onion and stir-fry together.
Add the chicken breast and cook until done.
When all the ingredients are cooked, pour in the beaten eggs and scramble everything together.
Season with salt and pepper to finish.