Cut the chicken breast into bite-sized pieces.
Slice the mushrooms into pieces that are easy to eat.
Crack the eggs into a bowl and beat them.
Add cooking oil to a pan and preheat over medium heat.
Add the chicken breast first and cook it.
Add the mushrooms and stir-fry together.
When the ingredients are cooked, pour in the beaten eggs and scramble.
Season with salt and pepper to taste.