01 - In a mixing bowl, whisk buttermilk, garlic powder, paprika, salt, and black pepper. Add chicken pieces and coat thoroughly. Refrigerate for at least 30 minutes for optimal tenderness.
02 - In a separate bowl, combine flour, corn starch, paprika, onion powder, cayenne pepper if using, salt, and black pepper.
03 - Fill a deep frying pan or fryer with vegetable oil and heat to 350°F.
04 - Remove chicken from marinade, allowing excess liquid to drip off. Dredge each piece in the flour mixture until evenly coated.
05 - Fry chicken in batches for 3 to 4 minutes, turning as needed, until golden brown and cooked through. Drain on paper towels.
06 - Serve chicken bites hot with preferred dipping sauces.