They contain four kinds of dairy.

I love them and Ineedleftovers for making meals in the days after feeding that many people!

This bag batch of potatoes is surprisingly light for such a rich recipe.

Headshot of Dolly Parton on a green and yellow speckled background next to a photo of her mashed potato recipe

Simply Recipes / Getty Images

Place them in a colander and rinse under cold water until the water runs clear.

Transfer the potatoes to a large pot.

Fill with cold water to cover the potatoes by 2 inches and add 1 teaspoon of salt.

Overhead view of a large, dark colored serving bowl of mashed potatoes topped with butter and with a serving spoon on the side

Simply Recipes / Meghan Splawn

Bring to a boil, then lower the heat to medium and cook until fork-tender, about 20 minutes.

Blend on medium speed using an electric hand mixer or with the paddle attachment if using a stand mixer.

Add the remaining 1/2 cup milk and mix on high speed to whip the potatoes until fluffy.

Transfer the potatoes to a serving bowl and top with the remaining 2 tablespoons butter.

Garnish with the parsley and season with pepper.

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