Could we peel away some steps from this recipe and still end up with smashing results? For evenly cooked potatoes in the slow cooker, we use a small amount of water and a parchment shield to create a moist, steamy environment. Thinly sliced potatoes cook more evenly than chunks, and boiling the water first jump-starts the cooking process. We brush the top layer of potatoes with melted butter to prevent discoloration and mash in the rest of the butter 4 hours later, when the potatoes are…