Cut the chicken breast into bite-sized pieces.
Prepare and chop the mushrooms and all vegetables.
Heat cooking oil in a pan and stir-fry the chicken breast.
Once the chicken breast is cooked, add mushrooms and vegetables and stir-fry together.
Season with soy sauce, garlic, pepper, etc.
When the ingredients are cooked, add a little water and simmer until slightly saucy.
Finish when both the chicken breast and mushrooms are fully cooked.