Preheat & Prep: Preheat oven to 425°F (220°C). Line a baking sheet with a wire rack; spray lightly.
(Optional) Marinate: Whisk ½ cup buttermilk with ½ tsp each garlic & onion powder, ¼ tsp paprika, salt, and pepper. Toss chicken and refrigerate 30 min–2 hr.
Set Up Dredging Stations:
Bowl 1: flour, garlic powder, onion powder, paprika, salt, pepper.
Bowl 2: eggs + milk.
Bowl 3: panko + cornflakes.
Bread Chicken: Dredge each piece in flour, dip in egg wash, press into panko. Place on rack.
Bake: Spray tops with oil. Bake 20–25 min, flipping halfway, until golden and 165°F internal.
Make Glaze: In a small saucepan, warm honey, hot sauce, vinegar, pepper flakes, salt for 2–3 min.
Toss & Serve: Transfer hot chicken to a bowl, pour glaze over, gently toss. Serve immediately.