Perfect Buttermilk Mashed Potatoes

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  • Kosher salt
  • 3 pounds boiling potatoes, such as Yukon gold, peeled
  • 1/2 cup whole milk
  • 1/4 pound (1 stick) unsalted butter
  • 3/4 to 1 cup buttermilk
  • 1/2 teaspoon freshly ground black pepper


  1. In a large pot, bring 4 quarts of water and 2 tablespoons of salt to a boil.
  2. Meanwhile, cut the potatoes into 1 1/2-inch cubes and add them to the boiling water. Bring the water to a boil again, lower the heat and simmer uncovered for 10 to 15 minutes, until the potatoes fall apart easily when pierced with a fork.
  3. Meanwhile, heat the milk and butter in a small saucepan, making sure it doesn’t boil. Set aside until the potatoes are done.
  4. As soon as the potatoes are tender, drain them in a colander.
  5. Place a food mill fitted with a small disc/blade over a heatproof bowl.
  6. Process the potatoes through the food mill, turning the handle back and forth.
  7. As soon as the potatoes are mashed, stir in the hot milk-and-butter mixture with a whisk or rubber spatula.
  8. Add enough buttermilk to make the potatoes creamy. Add 2 teaspoons of salt and the pepper, to taste, and serve hot.


Adapted From | Ina Garten