2. Put the chicken in a baking dish and season with salt and pepper generously. Pour the remaining chimichurri over the chicken and turn to coat the chicken with it, even under the skin. Cover and let marinate for 4 hours or up to 24 hours.
3. When ready to cook, oil the grill grates. Then preheat the grill to medium-high. Place the chicken quarters skin side down and cook on medium-high heat for 8 - 10 minutes until the outside is seared.