Mashed Potatoes with scallions

3 lbs boiling potatoes 1/4 cup unsalted butter , softened 3/4-1 cup milk 1/2 cup thinly sliced scallion 1 In a large kettle cover the potatoes with 2 inches[...]

2 lbs russet potatoes , scrubbed and peeled salt 1 lb kale , about 1 large bunch, with the ribs removed and the leaves washed 1 1/4 cups low-fat milk 2[...]

4 lbs yukon gold potatoes 1 teaspoon sea salt 1 cup warm milk 1/4 cup unsalted butter salt and pepper 1 For variations, see below. 2 Peel and quarter[...]