My mom clipped the basic recipe out of a newspaper (a very small clipping -so the name of the newspaper and column are not included, unfortunately) several years ago. It has since become the only mashed potato recipe we use, especially since the pickiest eaters race to get up the next morning to eat all of the leftovers! Mashed potatoes seem to be one of those foods that really brings out strong opinions, so I am including all of the various variations that please the various preferences in our house, and you should feel free to adjust to suit your tastes too! We always use fat free sour cream and low-fat cream cheese with excellent results, but the full-fat ingredients should also work just fine. These can be made up to 3 days in advance and kept in the refrigerator.