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+ servings
bowl of slow cooker mashed potatoes with rosemary sprig on top

Slow Cooker Buttermilk Mashed Potatoes

Slow Cooker Mashed Potatoes are beyond easy to make and are a side dish everyone will love! They're creamy and delicious, with the flavors of garlic, rosemary and tangy buttermilk!
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Ingredients

  • 3 lbs. yukon gold potatoes peeled and chopped into 1" cubes
  • 3/4 cup low sodium chicken stock may substitute with vegetable stock
  • 3 cloves garlic smashed
  • 1 teaspoon salt plus more to taste
  • 1 1/4 cup buttermilk warmed slightly (not hot) (I used 1 1/4 cups)*
  • 4 tablespoons unsalted butter softened
  • 1 tablespoon freshly chopped rosemary or 1 teaspoon dried

Instructions 

  • Grease your slow cooker with cooking spray.  Place the potatoes, stock, garlic, and salt into the slow cooker and stir. Cook on low for about 4-6 hours or until tender.
  • Add the warmed buttermilk slowly, followed by the butter and rosemary, and mash with a potato masher until the potatoes reach the desired consistency.  Season with salt and pepper to taste.
  • Serve immediately or keep on warm in the slow cooker until ready to serve.  Enjoy!

Notes

  • *All slow cookers are different, so the first time you try making mashed potatoes in your slow cooker you should keep a close eye on them.  I suggest checking for doneness after 3 hours on low and even stirring them occasionally.  Also, add a bit more liquid if it evaporates too quickly.
  • I've only cooked my potatoes on low and wouldn't advise cooking them over high heat unless you're prepared to check them often to prevent scorching.
  • Warm the buttermilk prior to adding to the hot potatoes to prevent curdling.  It should be a bit warmer than lukewarm, not hot.
  • The best way to keep mashed potatoes warm without the risk of scorching them is the bain marie method.  Simply place them in a heatproof bowl or pot, cover, and place over a pot of gently simmering water.

Nutrition

Calories: 305kcal, Carbohydrates: 51g, Protein: 8g, Fat: 9g, Saturated Fat: 5g, Polyunsaturated Fat: 3g, Cholesterol: 22mg, Sodium: 603mg, Fiber: 5g, Sugar: 5g

Nutrition is estimated using a food database and is only intended to be used as a guideline for informational purposes.

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