Step 1

Preheat the oven to 375 degrees F.

Step 2

Coat a 9x13-inch baking dish with cooking spray.

Step 3

In a medium bowl, add the sour cream, the parmesan, the mayonnaise, the garlic powder, the paprika, the onion powder, the cayenne pepper, the salt, and the black pepper and whisk to combine.

Step 4

Season the chicken breasts with the salt.

Step 5

Arrange the chicken breasts in a single layer in the prepared dish.

Step 6

Spread the sour cream mixture over the top of each of the chicken breasts.

Step 7

Bake until the top of the sour cream mixture is golden-brown and the chicken breasts reach an internal temperature of 165 degrees F, about 30-35 minutes.

Step 8

Serve top with the parsley.