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Restaurant Style Creamy Garlic Mashed Potatoes

A generous serving of fluffy, creamy mashed potatoes recipe piled high on a white plate near a window.

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Make rich, velvety mashed potatoes that taste like steakhouse favorites. This recipe uses simple ingredients to achieve a fluffy, buttery texture perfect for any dinner or holiday.

Ingredients

Scale
  • 3 lbs Russet or Yukon Gold potatoes, peeled and quartered
  • 1 cup whole milk
  • 8 tablespoons unsalted butter, cut into pieces
  • 2 cloves garlic, minced
  • 1/2 cup sour cream
  • 1/4 cup mascarpone cheese
  • 1 teaspoon salt, or to taste
  • 1/2 teaspoon black pepper, or to taste

Instructions

  1. Place the peeled and quartered potatoes in a large pot. Cover them with cold, salted water by about one inch.
  2. Bring the water to a boil over high heat. Reduce the heat to maintain a steady simmer and cook until the potatoes are fork-tender, about 15 to 20 minutes.
  3. While the potatoes cook, gently warm the milk and butter in a small saucepan over low heat until the butter is melted. Do not boil. Add the minced garlic to the warm milk mixture and let it steep for 5 minutes to infuse the flavor.
  4. Drain the potatoes completely. Return the drained potatoes to the hot, empty pot and let them sit over low heat for 1 minute, shaking the pot gently, to evaporate any remaining surface moisture. This step helps prevent watery potatoes.
  5. Remove the pot from the heat. Mash the potatoes thoroughly using a potato masher or ricer until mostly smooth.
  6. Gradually add the warm milk and butter mixture to the mashed potatoes, mixing gently until just combined. Avoid overmixing, which can make the potatoes gluey.
  7. Stir in the sour cream and mascarpone cheese until the potatoes are creamy and velvety.
  8. Season with salt and pepper. Taste and adjust seasoning as needed. Serve your homemade mashed potatoes immediately.

Notes

  • For the creamiest results, use a potato ricer instead of a standard masher.
  • If you prefer a Gordon Ramsay style, substitute the milk/butter mixture with hot chicken broth for added depth of flavor.
  • Warm all dairy ingredients before adding them to the potatoes to maintain heat and texture.

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