*ADOPTED RECIPE* Originally one of Recipe*Zaar's famous MEAN CHEF's Recipes. Nothing has been changed or altered: The key to beautiful mashed potatoes is 1) dry cooked potatoes, 2) a ricer, 3) correct proportion of butter and half-and-half and 4) a gentle hand when incorporating the ingredients. To this master recipe you can add 1 cup grated cheese such as parmesan, roasted garlic cloves or anything else that suits your fancy. You can also cook other vegetables with the potatoes. Substitute things like celery root, parsnips, carrots or turnips for half of the potatoes.