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Slow Cooker Garlic Buttermilk Mashed Potatoes

Slow Cooker Garlic Buttermilk Mashed Potatoes for nights when dinner needs to be fast, easy and delicious!
Prep Time15 mins
Cook Time6 hrs
Total Time6 hrs 15 mins
Course: Side Dish
Cuisine: American
Keyword: mashed potatoes, slow cooker garlic buttermilk mashed potatoes
Servings: 10
Calories: 153kcal
Author: Trish - Mom On Timeout


  • 3 lbs Yukon Gold potatoes
  • 2-3 cups water
  • 5 garlic cloves peeled and smashed
  • 1 tsp salt
  • 1/2 tsp pepper
  • 4 tbsp butter
  • 1/2-3/4 cup buttermilk
  • 1/2-3/4 cup sour cream
  • 3 green onions sliced (optional)


  • Scrub potatoes and cut into 1 inch pieces. The smaller potatoes I just throw straight in.
  • Combine potatoes, garlic, and salt in slow cooker. Add water just until covered.
  • Cook on low for 4 to 6 hours until potatoes are nice and tender.
  • Drain potatoes and return to slow cooker.
  • Mash potatoes and add butter, buttermilk, and sour cream. Continue mashing adding buttermilk or sour cream as necessary to achieve desired consistency.
  • Season with salt and pepper to taste and sprinkle with green onions if desired.


Calories: 153kcal | Carbohydrates: 19g | Protein: 4g | Fat: 7g | Saturated Fat: 5g | Cholesterol: 20mg | Sodium: 312mg | Potassium: 610mg | Fiber: 4g | Sugar: 1g | Vitamin A: 269IU | Vitamin C: 17mg | Calcium: 75mg | Iron: 5mg