Southern Buttermilk Brined Fried Chicken

Ingredients

• 5 pounds whole chicken cut up into 10 pieces
• 3 cups buttermilk
• 1/4 cup salt
• 1/4 cup sugar
• 1 1/4 teaspoons garlic powder
• 2 teaspoons onion powder
• 1 1/4 teaspoons red pepper
• 1 1/4 teaspoons chili powder
• 1 1/2 teaspoons black pepper
• 1 1/4 teaspoons paprika
• 3 tablespoons cornstarch
• 2 cups all purpose flour
• 1 1/2 teaspoons salt plus an additional 1/4 teaspoon