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The Ultimate Creamy Mashed Potatoes: A Foolproof Classic Side Dish

A large mound of fluffy, pale yellow creamy mashed potatoes served on a white plate near a window.

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This recipe delivers the ultimate creamy, fluffy mashed potatoes using simple ingredients. Follow these steps for smooth, buttery potatoes perfect for any dinner or holiday feast.

Ingredients

Scale
  • 3 lbs Russet potatoes, peeled and quartered
  • 1 cup Whole milk, warmed
  • 8 tablespoons Unsalted butter, cut into pieces, softened
  • 1 teaspoon Kosher salt, plus more for boiling water
  • 1/2 teaspoon Black pepper
  • 2 tablespoons Sour cream (secret ingredient for extra creaminess)

Instructions

  1. Place the peeled and quartered potatoes in a large pot. Cover the potatoes 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 fork-tender, about 15 to 20 minutes. Do not overcook to avoid gluey potatoes.
  3. Drain the potatoes completely in a colander. Let them sit for 5 minutes to allow excess steam to evaporate. This step helps achieve fluffy mashed potatoes.
  4. Return the drained potatoes to the warm, empty pot. Mash them thoroughly using a potato masher until mostly smooth.
  5. In a small saucepan, gently warm the milk until it is hot but not boiling.
  6. Add the softened butter pieces to the mashed potatoes. Stir until the butter is fully incorporated and melted into the potatoes.
  7. Gradually add the warm milk to the potatoes, mixing gently with a wooden spoon or rubber spatula until you reach your desired consistency. Avoid using an electric mixer, which can overwork the starch.
  8. Stir in the salt, pepper, and the sour cream. Mix just until combined. Taste and adjust seasoning if needed.
  9. Serve your homemade mashed potatoes immediately as a comforting side dish.

Notes

  • For the best texture, warm your milk and butter before adding them to the potatoes. Cold dairy makes the potatoes stiff.
  • Use a potato ricer or food mill for the smoothest, fluffiest mashed potatoes if you prefer a very fine texture.
  • If making ahead, gently reheat the potatoes on the stovetop over low heat, stirring in a splash of extra warm milk or cream as needed.

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