Cut the chicken breast into bite-sized pieces.
Finely chop the onion and bell pepper.
Heat cooking oil in a pan and stir-fry the chicken breast.
Once the chicken breast is cooked, add the onion and bell pepper and stir-fry together.
Add the rice and mix well while stir-frying.
Pour in teriyaki sauce and stir well to combine all the ingredients.
Taste and add a little salt if needed.
Serve the finished fried rice in a bowl.