Oven Preparation:Preheat oven to 450 degrees. Place chicken on a rimmed baking sheet lined with foil and cook for 14 minutes, flipping half way through and basting with butter a few times throughout the baking process. Switch the oven to broil and cook an additional 2 minutes so get the tops golden brown. Remove from the oven and baste it one last time with the butter sauce and sprinkle with leftover parmesan.
Grill Preparation: Preheat your grill to medium-high. Place the prepared chicken over direct heat and cook each side for 5-6 minutes each, basting with butter throughout the cooking process. Remove from the grill and baste it one last time with the butter sauce and sprinkle with leftover parmesan.