01 -
Preheat oven to 350°F (175°C).
02 -
In a mixing bowl, combine sour cream, cream of chicken soup, dry ranch seasoning, grated Parmesan cheese, garlic powder, and ground black pepper. Stir until smooth.
03 -
Place chicken breasts evenly in a 9x13 inch baking dish.
04 -
Pour the sauce mixture over the chicken breasts, ensuring each piece is fully coated.
05 -
Cover the baking dish tightly with aluminum foil and bake in the preheated oven for 45 minutes.
06 -
Remove the foil and continue baking for an additional 15 minutes, or until the chicken reaches an internal temperature of 165°F (74°C).
07 -
Sprinkle chopped fresh parsley over the chicken before serving.