Preheat oven to 375°F (190°C). Lightly grease a baking dish.
Mix mayonnaise (or Greek yogurt), Parmesan cheese, garlic powder, onion powder, paprika, salt, and pepper.
Place chicken breasts in dish and spread creamy mixture evenly on top.
Bake uncovered for 25–30 minutes until chicken reaches 165°F and topping is golden.
Rest for a few minutes, garnish with parsley, and serve.
