Preheat oven to 375 degrees
In a shallow dish, combine buttermilk and hot sauce, and stir
In a second shallow dish, add cornmeal, garlic powder, salt, onion powder, paprika, and pepper, and stir to combine
Dip chicken breasts into buttermilk and then into breading mixture, making sure to thoroughly coat each piece on all sides
Arrange breaded chicken breasts on greased cookie sheet (use spray olive or avocado oil)
Spray the tops of breaded chicken with olive or avocado oil spray
Baket at 375 for 8-12 minutes (longer for thicker breasts, shorter for thin breasts)
Flip chicken breasts over and spray with olive or avocado oil spray, and bake another 8 minutes
Turn oven broiler to HI, and broil each side of the chicken for 1-2 minutes, until golden brown and crispy
Serve immediately!