01 - Preheat oven to 400°F. Line a baking sheet with parchment paper or grease lightly.
02 - Pat chicken dry. Mix salt, pepper, garlic powder, and smoked paprika in a small bowl. Rub both sides of each chicken breast with spice mixture.
03 - Heat olive oil in large skillet over medium-high heat. Sear chicken 2–3 minutes per side until golden brown. Transfer to prepared baking sheet.
04 - Mix mayonnaise, sour cream, ranch dressing, garlic powder, and onion powder in small bowl until smooth.
05 - Combine panko breadcrumbs, Parmesan, melted butter, provolone, and mozzarella in separate bowl.
06 - Spread 1 tablespoon creamy ranch mixture over each seared chicken breast.
07 - Press Parmesan breadcrumb mixture generously onto top of each chicken breast to adhere.
08 - Bake 15–18 minutes until internal temperature reaches 165°F and crust turns golden and crispy.
09 - Garnish with chopped parsley if desired. Let rest 2–3 minutes before serving.