Chicken and Bell Pepper Sauté

Heat a large skillet over medium-high heat. Add oil; swirl to coat. Sprinkle chicken with black pepper and salt. Add chicken to pan; cook 7 minutes or until done, stirring occasionally. Remove chicken from pan. Add bell pepper, oregano, and garlic to pan; sauté 2 minutes. Stir in chicken, tomato, and stock; cook 1 minute. Sprinkle with olives and feta.