Whisk all marinade ingredients together until combined.
Coat chicken completely in marinade and refrigerate at least 30 minutes — overnight preferred.
Preheat oven to 400°F. Oil baking dish and arrange lemon slices across the bottom.
Place marinated chicken on lemon slices. Pour remaining marinade over the top.
Bake uncovered 22–25 minutes until internal temperature reaches 165°F. Broil 2–3 minutes for extra golden color if desired.
Rest 5 minutes in the dish. Garnish with fresh parsley and serve with roasted lemon slices.