Preheat Oven:
Set the oven to 375°F (190°C) to preheat.Mix Dressing Sauce:
In a medium bowl, combine Italian dressing, mayonnaise, garlic powder, and dried herbs, whisking until smooth.Season Chicken:
Arrange chicken breasts in a greased baking dish, then season with salt and pepper.Coat Chicken:
Pour the dressing mixture over the chicken, making sure each breast is fully coated.Bake Chicken:
Bake for 25-30 minutes, cooking until the chicken's internal temperature hits 165°F (75°C).Add Parmesan:
During the final 5 minutes of baking, top the chicken with grated Parmesan cheese.Rest Before Serving:
Take the dish out of the oven and allow it to sit for 1 minute before serving.