Add chicken and Marin8 to a large zip lock bag and refrigerate for at least 1 hour
Add a small amount of oil to a medium heat pan and sear chicken breasts for about 7 minutes on each side or until fully cooked. Remove from pan and set aside for later.
Add more oil (if needed), onions and peppers to the medium heat pan and sauté for 5 minutes.
Add cooked chicken back to pan with onions and peppers. Stir everything together, serve immediately and enjoy!