Steps
1. In a small bowl, combine olive oil, lemon juice, minced garlic, dried oregano, salt, and pepper.
2. Place the chicken breast in a shallow dish and pour the marinade over it. Let it marinate for at least 15 minutes.
3. Preheat a grill pan or outdoor grill to medium-high heat.
4. Grill the chicken breast for about 6-7 minutes on each side, or until fully cooked and juices run clear.
5. Remove from grill and let rest for 5 minutes.
6. Garnish with fresh parsley if desired and serve.