Preheat the oven to 425°F. Place a wire rack on a rimmed baking sheet and spray it lightly with cooking spray.
Set up a breading station: flour in one bowl, whisked eggs in the second bowl, and a mixture of panko, parmesan, Italian seasoning, garlic powder, paprika, salt, and pepper in the third bowl.
Pat the chicken dry. Dredge each cutlet in flour, dip in egg, then press into the breadcrumb mixture. Place on the rack.
Lightly spray the tops of the cutlets with cooking spray (or drizzle lightly with olive oil).
Bake for 14–18 minutes, until the chicken reaches 165°F.
Top each cutlet with mozzarella (and provolone if using). Bake 2–3 minutes, just until melted.
Optional: broil for 1–2 minutes to lightly brown the cheese.
Stir together the melted butter, minced garlic, parmesan, and parsley. Brush over the tops of the cheesy cutlets.
Rest 5 minutes, then serve.