For her Creamy No-Fail Make-Ahead Mashed Potatoes, recipe developer Ann Taylor Pittman bakes the potatoes instead of boiling ...

(After they are frozen you can transfer them to a freezer bag.) Cook the frozen potatoes at the same temperature in a dry roasting tin, adding another 15 minutes to the cooking time.

She said: "All you'll need are cool, dark and dry conditions, and you can drastically extend the life of your potatoes. "Store potatoes in a cool cupboard, closet, basement, or root cellar.