Steps
1. In a small bowl, mix olive oil, lemon juice, oregano, garlic powder, salt, and pepper.
2. Coat the chicken breast evenly with the marinade and let it sit for at least 15 minutes.
3. Preheat the grill or a grill pan over medium-high heat.
4. Grill the chicken for 6-7 minutes on each side, or until fully cooked and juices run clear.
5. Remove from heat and let it rest for a few minutes before slicing.
6. Garnish with fresh parsley and serve with your favorite side dish.