Preheat oven to 400°F.
Mix everything (except chicken + onion) to make your marinade.
Layer sliced onion in a baking dish.
Coat the chicken in marinade and place it on top.
Bake uncovered for 50 mins, until golden and cooked through.
Let it rest a few minutes before serving.
Serve it with rice, potatoes, or roasted veggies.
