01 -
Cut chicken breasts into bite-sized pieces and set aside.
02 -
In a medium bowl, whisk together buttermilk, egg, and dill pickle juice until smooth.
03 -
Add chicken pieces to the marinade, coating thoroughly. Cover and refrigerate for at least 1 hour or up to overnight for optimal tenderness.
04 -
Combine flour, powdered sugar, cornstarch, salt, and black pepper in a large resealable plastic bag and shake to blend evenly.
05 -
Transfer chicken from marinade into the flour mixture in batches, sealing the bag and shaking gently to evenly coat each piece.
06 -
Preheat air fryer to 390°F (199°C) to ensure proper cooking temperature.
07 -
Spray the air fryer basket liberally with olive oil spray to prevent sticking.
08 -
Place coated chicken pieces in the air fryer basket in a single layer without overlapping. Spray each piece generously with olive oil spray.
09 -
Cook for 8 minutes, flipping halfway through and applying additional olive oil spray. Ensure internal temperature reaches 165°F (74°C).
10 -
Remove cooked nuggets, then repeat the air frying process with remaining coated chicken pieces.