Meanwhile, lay the bacon rashers on a wire rack over the lined baking tray. Cook in the oven for 12–15 minutes, or until browned and crispy. For the ranch dressing, mix all the ingredients ...
Set aside. In a bowl stir together ranch dressing mix, pepper, salt, sour cream, onion, cheddar cheese, and bacon, and reserved potato water until thoroughly combined. Gently stir in potatoes.