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Purple mashed potatoes

Purple Mashed Potatoes

  • Author: Sonja Overhiser
  • Prep Time: 5 minutes
  • Cook Time: 15 minutes
  • Total Time: 20 minutes
  • Yield: 4 to 6 1x


These purple mashed potatoes are creamy and flavorful! Made with garlic and butter, they’re the ideal way to use this vibrant vegetable.


  • 1 1/2 pounds purple potatoes*
  • 3 tablespoons salted butter
  • 3 garlic cloves, finely minced
  • ½ cup milk of choice
  • ¾ teaspoon kosher salt, plus more for boiling
  • Fresh chives, for garnish (optional)


  1. Wash and roughly chop the potatoes into 2-inch chunks (no need to peel).
  2. Place the potatoes in a large pot and cover with 1 inch of cold water. Stir in ½ tablespoon kosher salt. Bring to a boil.
  3. Once boiling, cook until fork tender, about 8 to 10 minutes (pierce a piece of potato with a fork to assess doneness). Drain and return the potatoes to the pot.
  4. When the potatoes are done, melt the butter in the same pot. Add the minced garlic and sauté for 1 to 2 minutes, until fragrant but not browned. Remove the heat. Add the potatoes back to the pot and pour in the milk.
  5. Mash the potatoes with a masher, adding more milk if desired to get to a thinner consistency. Season with the kosher salt and plenty of fresh ground pepper. Taste and adjust seasonings as desired.


*You can also use purple sweet potatoes; you may want to peel them for a more uniform texture but you can also leave them unpeeled. The texture will be bit looser than a traditional mashed potato since sweet potatoes have a different texture when mashed.

  • Category: Side dish
  • Method: Stovetop
  • Cuisine: Side dish
  • Diet: Vegetarian

Keywords: Purple mashed potatoes