How to Make Slow Cooker Mashed Potatoes

Slow Cooker Mashed Potatoes

Contributor: Emily Dingmann

The most popular side dish for any dinner is mashed potatoes and we’ve made it even easier by using the slow cooker. You can’t beat that!

  • Author: Emily Dingmann
  • Prep Time: 30 minutes
  • Cook Time: 4 hours
  • Total Time: 4 hours 30 minutes
  • Yield: 6 servings 1x


  • 3 lbs. Yukon gold potatoes
  • 3 cloves garlic, smashed
  • 2 cups whole milk, divided
  • 2 tsp. salt, divided
  • 8 Tbsp. cold butter, cubed
  • 1/2 cup sour cream


  1. Scrub potatoes to remove any dirt. Peel potatoes and cut into 1 inch cubes.
  2. Place potatoes, garlic, 1 teaspoon salt and 1 cup of milk in slow cooker.
  3. Heat on high for 4 hours, until potatoes are soft.
  4. Turn off heat and mash with cold, cubed butter until smooth.
  5. Warm remaining 1 cup milk. Stir it in and then stir in sour cream until incorporated.
  6. Season with remaining 1 teaspoon salt and pepper if desired.