My Grandmother's Grilled Chicken with Fresh Herbs

Ingredients

• 1/4 cup (60 ml) extra-virgin olive oil
• 2 tablespoons (30 ml) balsamic vinegar
• 3 cloves garlic, minced
• 1 teaspoon (5 ml) salt
• 1/2 teaspoon (2.5 ml) black pepper
• 2 tablespoons (30 g) fresh rosemary, chopped
• 2 tablespoons (30 g) fresh thyme, chopped
• 2 tablespoons (30 g) fresh parsley, chopped
• 4 boneless, skinless chicken breasts (about 1.5 lbs or 680 g total)