If using chicken breasts, slice horizontally to create 1/2-inch thick cutlets or pound to even thickness. Pat chicken completely dry with paper towels and season lightly with salt and pepper.
Preheat oven to 425°F (220°C). Line baking sheet with parchment paper, place wire rack on top, and spray generously with cooking spray. Set up three shallow bowls: flour with salt and pepper in first bowl, eggs whisked with 2 tablespoons hot sauce in second bowl, third bowl empty for now.
Pulse cornflakes in food processor 8-10 times until coarsely crushed. Transfer to third bowl and mix with Parmesan, paprika, garlic powder, onion powder, salt, and pepper until evenly combined.
Dredge each chicken piece in flour, shake off excess, dip in egg mixture, then press firmly into cornflake mixture on both sides. Place on prepared rack with space between pieces. Spray tops generously with cooking spray.
Let coated chicken rest for 5 minutes at room temperature to help coating set and adhere better during baking.
Bake on middle rack for 20-25 minutes until coating is deep golden brown and internal temperature reaches 165°F. Chicken tenders may cook faster, check at 18 minutes.
While chicken bakes, combine honey, hot sauce, cayenne, chipotle chili powder, smoked paprika, garlic powder, and salt in small saucepan. Heat over medium-low for 5-7 minutes, stirring occasionally, until warm and combined (do not boil).
Remove chicken from oven and let rest 5 minutes. Transfer to serving platter and drizzle with warm hot honey sauce or serve sauce on the side. Garnish with fresh herbs if desired and serve immediately.