Nashville Hot Chicken

Name: Nashville Hot Chicken
Prep time: 30 min
Cook time: 30 min
Total time: 1 h
Cuisine: American, Southern
Ingredients: 2 cups buttermilk; 1/3 cup hot sauce; 2 1/2 cups all-purpose flour; 3 tablespoons cornstarch; 3 tablespoons seasoned salt; 1 tablespoon paprika; 2 teaspoons cayenne pepper; 2 teaspoons black pepper; 1/2 teaspoon garlic powder; 1 tablespoon onion powder; 10 pieces chicken; Vegetable oil for frying; 1/3 cup cayenne pepper; 1 1/2 tablespoons dark brown sugar; 1 teaspoon chili powder; 1 teaspoon garlic powder; 1 teaspoon smoked paprika; White bread and sliced pickles (for serving)