Watch this how to video to learn how to make easy mashed potatoes. First wash, boil and drain the potatoes. Prepare the hot milk by adding butter salt and pepper, you can use powdered milk if you'd like. Once the potatoes are cooked, cut them up and mash them into chunks so that they aren't really fine. Use a mash potato masher or a big fork. Keep adding potatoes and salt to your liking to get the consistency you like. Add the hot milk, salt and butter and keep on mashing until you get it the way you like them. Simply delicious.