Wash and slice the peppers, onions and chicken into slices.
Place the peppers, onion and chicken onto a sheet pan.
Drizzle the olive oil over the mixture.
Stir well to coat everything with the olive oil.
Sprinkle all of the seasonings on top of the peppers, onions and chicken.
Stir until everything is well coated.
Cook for 10 minutes then stir everything.
Cook for an additional 10 minutes, or until chicken is fully cooked.