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The Ultimate Ultra-Creamy Buttery Mashed Potatoes

A close-up of fluffy, creamy mashed potatoes topped with melted butter, served on a white plate.
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Achieve perfectly smooth, fluffy, and rich mashed potatoes using this foolproof recipe. We focus on technique and quality dairy to create the best comfort food side dish for any meal or holiday feast.

Ingredients

Scale
  • 3 lbs Russet potatoes, peeled and quartered
  • 1 cup whole milk, warmed
  • 8 tablespoons unsalted butter, cut into pieces
  • 4 tablespoons sour cream (or heavy cream for richness)
  • 1 teaspoon salt, plus more for boiling water
  • 1/2 teaspoon black pepper

Instructions

  1. Place the peeled and quartered potatoes in a large pot. Cover them with cold water by about one inch. Add 1 tablespoon of salt to the water.
  2. Bring the water to a boil over high heat. Reduce heat to maintain a steady simmer and cook until the potatoes are completely tender when pierced with a fork, about 15 to 20 minutes.
  3. Drain the potatoes thoroughly in a colander. Let them sit in the colander for 5 minutes to allow excess steam and moisture to evaporate. This step is key to avoiding watery potatoes.
  4. Return the drained potatoes to the warm, empty pot. Place the pot over very low heat for 1 minute, gently shaking the pot to dry them further. Remove from heat.
  5. Add the butter pieces to the hot potatoes. Mash them coarsely with a potato masher until the butter is mostly incorporated.
  6. Gradually add the warm milk while continuing to mash or gently mix. Mix only until the potatoes are mostly smooth. Do not overmix, as this develops starch and makes them gluey.
  7. Stir in the sour cream, salt, and pepper until just combined and the texture is ultra-creamy.
  8. Serve immediately for the best texture.

Notes

  • Use Russet potatoes; their high starch content yields the fluffiest results.
  • Warm your milk and butter before adding them; cold dairy lowers the potato temperature and results in a gummy texture.
  • For the smoothest texture, use a potato ricer or food mill instead of an electric mixer or hand masher. If you must use a mixer, use the paddle attachment on low speed briefly.
  • You can prepare these ahead of time. Store covered in the refrigerator and reheat gently on the stovetop with a splash of extra milk.

Nutrition

Find it online: https://cookingzenith.com/creamy-mashed-potatoes-ultimate-recipe/