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mashed potatoes in a white bowl with a fork
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Slow Cooker Mashed Potatoes

Creamy, easy, Slow Cooker Mashed Potatoes are your perfect classic mashed potato that goes great with any dish.  Buttery, smooth, rich mashed potatoes will become your new favorite side.
Course: Dinner
Cuisine: American
Keyword: mashed potatoes
Servings: 6
Calories: 569kcal
Author: Rachael


  • 5 pounds russet potatoes peeled, and sliced (not diced) into ¼ inch thick slices
  • 2 ¾ cup boiling water
  • 2 teaspoons table salt
  • 12 Tablespoons unsalted butter melted, and divided
  • ½ cup sour cream
  • ¼ cup cream cheese softened
  • 3 Tablespoons minced fresh chives.
  • Salt and pepper to taste


  • Peel and thinly slice potatoes. Set aside
  • Microwave water to bring it to a boil. Add salt to the water, and set aside
  • Melt butter, and set aside.
  • In a 5-7 quart slow cooker, layer potatoes and pour boiling salted water over the top.
  • Brush the top layer of potatoes with 3 Tablespoons of melted butter.
  • Cover with a piece of parchment paper, being sure to firmly press the parchment over the top of the potatoes.
  • Cover and cook until potatoes are tender, 5-6 hours on low or 3-4 hours on high.
  • After potatoes are fork tender, remove and discard parchment.
  • Mash the potatoes with a potato masher until smooth.
  • Stir in remaining 9 tablespoons of butter, sour cream, and softened cream cheese.
  • Taste, and season with salt and pepper.
  • Stir in chives, and serve.


Calories: 569kcal | Carbohydrates: 69g | Protein: 9g | Fat: 30g | Saturated Fat: 19g | Cholesterol: 81mg | Sodium: 848mg | Potassium: 1623mg | Fiber: 5g | Sugar: 3g | Vitamin A: 1014IU | Vitamin C: 22mg | Calcium: 89mg | Iron: 3mg