Remove the tops and seeds from the bell peppers and cut them in to strips.
Step: 2
Cut the onion in strips as well. Set the bell peppers and onion strips aside in a bowl.
Step: 3
Cut the chicken breasts in to strips and place them in a bowl.
Step: 4
Season the chicken with garlic powder, oregano, cumin, paprika, olive oil, cilantro, salt and pepper. Mix with clean hands until the chicken is well seasoned.