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The Ultimate Ultra-Creamy Buttermilk Mashed Potatoes

A generous serving of creamy, fluffy mashed potatoes piled high on a white plate.
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Make restaurant-style mashed potatoes at home. This recipe delivers rich, velvety, and fluffy potatoes using simple techniques perfect for any holiday side dish or weeknight meal.

Ingredients

Scale
  • 3 lbs Russet potatoes, peeled and quartered
  • 1 cup whole milk
  • 1/2 cup unsalted butter, cut into pieces
  • 1/4 cup buttermilk
  • 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 the heat to maintain a steady simmer and cook the potatoes until they are fork-tender, about 15 to 20 minutes.
  3. While the potatoes cook, gently warm the milk and butter together in a small saucepan over low heat until the butter is melted. Do not let it boil.
  4. Drain the potatoes completely. Return the drained potatoes to the hot, empty pot. Let them sit for 2 minutes to allow excess moisture to steam off.
  5. Mash the potatoes thoroughly using a potato masher or a ricer for the smoothest texture. Work quickly to keep them warm.
  6. Gradually pour the warm milk and butter mixture into the potatoes while continuing to mash or whip until you reach your desired creamy consistency.
  7. Stir in the buttermilk, salt, and pepper. Mix until just combined. Avoid overmixing to keep the potatoes fluffy.
  8. Taste and adjust seasoning if needed before serving immediately as the best homemade mashed potatoes.

Notes

  • For extra rich mashed potatoes, use Yukon Gold potatoes instead of Russet potatoes.
  • If you want garlic mashed potatoes flavor, add 2 cloves of roasted garlic during the final mixing stage.
  • Warming the dairy ingredients prevents the potatoes from cooling down too fast and becoming gluey.

Nutrition

Find it online: https://rosatasty.com/creamy-buttermilk-mashed-potatoes-recipe/