Steps
1. In a small bowl, whisk together olive oil, apple cider vinegar, minced garlic, Dijon mustard, oregano, paprika, salt, and pepper.
2. Place the chicken breast in a resealable plastic bag or shallow dish.
3. Pour the marinade over the chicken, ensuring it is well-coated.
4. Seal the bag or cover the dish and refrigerate for at least 30 minutes, preferably 1-2 hours for best flavor.
5. Preheat grill or oven to 375°F (190°C).
6. Remove chicken from marinade and cook on the grill for 6-7 minutes per side or bake in the oven for 20-25 minutes until fully cooked.
7. Let rest for 5 minutes before serving.