01 - Combine buttermilk, garlic powder, paprika, salt, and black pepper in a bowl. Add chicken pieces and mix thoroughly to ensure even coating. Refrigerate for at least 30 minutes for optimal tenderness.
02 - In a separate bowl, whisk together all-purpose flour, cornstarch, paprika, onion powder, cayenne pepper if desired, salt, and black pepper.
03 - Pour vegetable oil into a deep frying pan or Dutch oven, ensuring enough depth to submerge chicken pieces. Heat to 350°F (175°C).
04 - Remove marinated chicken from the refrigerator. Allow excess marinade to drip off and coat each piece completely in the flour mixture, pressing to adhere the breading.
05 - Fry chicken in batches for 3–4 minutes, turning as needed, until golden brown and thoroughly cooked. Transfer to paper towels to absorb excess oil.
06 - Arrange chicken bites on a platter and enjoy hot, paired with your preferred dipping sauce.