Instructions

  1. Cook the potatoes in boiling salted water until tender (about 20 minutes) drain and transfer to a large bowl.
  2. Add in sour cream, butter, softened cream cheese and cream; beat until smooth.
  3. Add in shredded cheddar; mix to combine then season with salt and black pepper to taste.
  4. Transfer to a 2 or 3-quart casserole dish; sprinkle with grated parmesan cheese.
  5. At this point you can cover and refrigerate or bake for about 20-22 minutes.