01 -
Preheat oven to 375°F and lightly grease a baking dish.
02 -
In a small bowl, stir together mayonnaise, sour cream, and ranch seasoning until fully blended.
03 -
Season chicken breasts evenly with salt and pepper, then arrange them in a single layer in the prepared baking dish.
04 -
Spread the ranch mixture evenly over the surface of each chicken breast.
05 -
Sprinkle shredded cheddar cheese over each coated chicken breast.
06 -
Bake in preheated oven for 25 to 30 minutes, or until the chicken reaches an internal temperature of 165°F and the cheese is melted and golden.
07 -
Remove from oven and garnish with freshly chopped parsley before serving.