Cut the chicken breast into bite-sized pieces.
Slice the onion and bell pepper thinly.
Boil the noodles and rinse them in cold water.
Heat olive oil in a pan and stir-fry the chicken breast.
Once the chicken is cooked, add the onion and bell pepper and stir-fry.
Add the noodles and sauce, stir together until well mixed.
Serve in a bowl to finish.