Cut the chicken breast into bite-sized pieces.
Wash the broccoli and bell pepper, then cut them into easy-to-eat pieces.
Heat a pan and add olive oil.
Add the chicken breast to the pan and stir-fry.
When the chicken is halfway cooked, add the broccoli and bell pepper.
Season with salt and pepper.
Stir-fry until all ingredients are cooked through.
Transfer to a bowl and serve.