Brine chicken overnight by putting chicken pieces in a gallon-sized ziplock bag and pour buttermilk over the chicken in the bag. Add salt, close the bag and shake to incorporate.
Marinate chicken overnight.
Bring chicken to room temperature and assemble in a baking dish.
Use a paper towel to pat dry excess buttermilk off chicken pieces.
Rub softened butter all over chicken pieces until lightly coated.
Drizzle top of chicken with olive oil and proceed to season.
Season chicken liberally with garlic powder, onion powder, poultry seasoning, and smoked paprika. Ensuring you season both sides of the chicken.
Preheat oven to 450 degrees.
Bake chicken for 45 minutes flipping half way through.
Flip the chicken back to skin side up and broil on high until the skin is crispy and golden.
Remove chicken from the oven and use a spoon to baste with the pan drippings.
Serve hot and enjoy.