Get the latest Their flavored recipes from Group Recipes. http://www.grouprecipes.com/tag/their This is a life-saver for those big holiday dinners, when you don’t want to be mashing the potatoes at the last minute when there are so many other things to be done! I love that I can make it a day or two in advance, so all I have to do is pop the casserole in the oven when I need it. You can even freeze it before you bake it (though I’ve never tried that). It goes GREAT with gravy on top! http://www.grouprecipes.com/81373/mashed-potato-casserole.html