Cut the chicken breast into bite-sized pieces.
Slice the onion and bell pepper thinly.
Add olive oil to a pan and stir-fry the chicken breast.
When the chicken is halfway cooked, add the onion and bell pepper and stir-fry together.
Add curry powder and salt, then stir-fry until everything is mixed evenly.
Continue to stir-fry over medium heat until all the ingredients are fully cooked.