- Preheat the Oven 
- Preheat your oven to 375°F (190°C). Lightly grease a 9x13-inch baking dish. 
- Prepare the Chicken 
- Place the chicken breasts in the prepared baking dish. 
- Make the Topping 
- In a mixing bowl, combine mayonnaise, Parmesan cheese, garlic powder, paprika, salt, and pepper. Mix until smooth. 
- Coat the Chicken 
- Spread the topping evenly over the chicken breasts, ensuring they are fully covered. 
- Bake 
- Bake uncovered for 25-30 minutes, or until the chicken reaches an internal temperature of 165°F (74°C) and the topping is golden and bubbly. 
- Rest and Garnish 
- Let the chicken rest for 5 minutes before serving. Garnish with fresh parsley or chives, if desired.