Grilled Chicken with Lemon and Oregano

Bahan-bahan (4 porsi)

• 1 tablespoon finely grated lemon zest
• ⅓ cup freshly squeezed lemon juice ((about 2 lemons))
• ¼ cup finely chopped fresh oregano
• 2 tablespoons olive oil
• kosher salt and freshly ground black pepper, (to taste)
• 2 pounds boneless, skinless chicken breasts
• 2 medium lemons, (halved)
• fresh oregano sprigs, (for garnish (optional))