Cast Iron Chicken Fajitas
1 large green bell pepper, sliced 1 large onion, sliced 1 large red bell pepper, sliced 1 pound skinless, boneless chicken breasts 1 tablespoon chili powder 1 tablespoon olive oil 1 teaspoon salt 2 tablespoons freshly squeezed lime juice 2 teaspoons garlic powder 2 teaspoons ground cumin ¼ cup olive oil ½ teaspoon ground black pepper