Instructions

  1. Grease a large casserole dish.
  2. Sprinkle the onion slices and green pepper (if using) on the bottom of the baking dish.
  3. Season the chicken with salt and pepper, then brown in oil on both sides.
  4. Place into the casserole dish on top of the onion slices.
  5. In a bowl whisk together the mustard, ketchup, cider vinegar, liquid smoke, brown sugar, chili powder, fresh garlic, cayenne (if using) and black pepper; mix well to combine, then season sauce with 1/4 teaspoon salt if desired.
  6. Pour over the browned chicken thighs.
  7. Using hands turn the chicken to coat well in the sauce.
  8. Bake at 350 degrees F for about 40 minutes or until the chicken is completely cooked through and tender.