Slow Cooker Cheesy Mashed Potatoes


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These Slow Cooker Cheesy Mashed Potatoes are a cheese lover’s dream. Very easy to make in the slow cooker and keep warm for dinner or a potluck.

Hi Slow Cooker Friends! How good do these potatoes look? I knew that this dish would be good, but I had no idea it would be the best potatoes I’ve ever ate! You may wonder why I add the chicken bouillon cubes.

close up of cheesy potatoes being scooped on a metal spoon.
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The chicken bouillon adds a hint of flavor, just like it does it in a few of my meatless soups. No chicken flavor I promise. Just perfectly seasoned potatoes.

I made Fried Mashed Potato Patties the next day for breakfast. Have you ever made these? Fried mashed potato patties are leftover mashed potatoes that are lightly battered (this helps keeps them from sticking and falling apart). Then fried in butter. These patties are best served with over easy eggs and toast.

How to make Slow Cooker Cheesy Potatoes:

  • Start by peeling 4 pounds of russet potatoes, cubing them and add them to the slow cooker.
  • Add enough water to cover the potatoes.
  • Add 2 chicken bouillon cubes.
Slow cooker full of cheesy mashed potatoes.
  • Cover and cook on high for 4 hours without opening the lid during the cooking time.
  • When the cooking time is done, drain the water off the potatoes.
  • Add salt, sour cream and 1 cup of shredded cheese.
  • Blend together with a hand-held mixer.
  • Add 2 more cups of shredded cheese to the potatoes and replace lid for 10 minutes or until cheese has melted.

My tips for slow cooker cheesy mashed potatoes:

  • Why dirty a strainer? Wearing oven mitts, hold the slow cooker insert with the lid opened a crack and pour the water down the sink drain.
  • Take care to not over mix the potatoes; they will become gluey in taste and texture.
  • Be careful not to scrape the beaters against the ceramic slow cooker insert as much as possible.

More potato side dishes you will love:

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close up of cheesy mashed potatoes

Slow Cooker Cheesy Mashed Potatoes

5 from 2 votes
Prep Time: 25 minutes
Cook Time: 3 hours 30 minutes
Total Time: 3 hours 55 minutes
Servings: 10
The ultimate in comfort foods when cheddar cheese is added to your classic mashed potatoes.

Ingredients 
 

  • 4 lbs. russet potatoes, peeled, cubed
  • water, (to cover potatoes while cooking)
  • 2 chicken bouillon cubes

Add these things after cooking time is done:

  • 1 tsp. salt
  • 16 oz. sour cream
  • 3 cups sharp cheddar cheese, grated and divided

Opitional Toppings for Garnishing

  • chives, or green onions; chopped

Instructions 

  • Place the peeled and diced potatoes into the slow cooker.
  • Add the chicken bouillon cubes and water to cover the potatoes completely.
  • Cover and cook on HIGH for 3.5 hours.
  • When done, drain the potatoes.
  • Add the salt, sour cream, and 1 cup cheese to the potatoes.
  • Using a hand-mixer, blend everything until smooth, being careful not to over mix.
  • Sprinkle the remaining 2 cups of cheese atop the now mashed potatoes.
  • Replace the lid and give the cheese should take about 10 minutes to melt. (You can turn the slow cooker to high to speed up the process.)
  • Top the potatoes with optional chives or green onions if desired.
  • Serve and enjoy!

Sarah’s Notes

Tips for making slow cooker mashed potatoes:
Why dirty a strainer! Wearing oven mitts, hold the slow cooker insert with the lid opened a crack and pour the water down the sink drain.
Take care to not over mix the potatoes; they will become gluey in taste and texture.
Be careful not to scrape the beaters against the ceramic slow cooker insert as much as possible.
 

Nutrition

Calories: 370kcal | Carbohydrates: 35g | Protein: 13g | Fat: 20g | Saturated Fat: 12g | Cholesterol: 59mg | Sodium: 638mg | Potassium: 854mg | Fiber: 2g | Sugar: 3g | Vitamin A: 622IU | Vitamin C: 11mg | Calcium: 319mg | Iron: 2mg

Nutrition info is auto-generated. This information is an estimate; if you are on a special diet, please use your own calculations.

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26 Comments

  1. Georgina says:

    If I wanted to add some garlic, would you suggest minced, garlic powder or garlic salt? And when should I add it? PS. I your website is one of my favorites. I’m a crock pot junkie

    1. Sarah Olson says:

      Hi! I just had this converstation yesterday with a friend. For mashed potatoes, you’ll want to use garlic powder OR roast a head of garlic in the oven and blend that in the potatoes. Whichever you choose, add as you are blending the potatoes.

  2. Brandi says:

    Would it be okay to mix them in the kitchen aid and then add them back to the crock pot? I don’t have a hand held mixer.

    1. Sarah Olson says:

      Yes that will work fine. Don’t over mix.

  3. Heather says:

    Can you partially cook the potatoes then do them in the crock pot the rest of the way?

    1. Sarah Olson says:

      I don’t see why not.

  4. Jean says:

    Could we substitute and use frozen hash browns instead of russet potatoes

    1. Sarah Olson says:

      Hi. Hard to say without testing it.

  5. Maggie says:

    This did not work for me. Potatoes were not soft enough to mash. Cooked on high in the slow cooker for 4 hrs. Such a disappointment

    1. wil bertram says:

      New recipes (especially when having guests) I will always start the day before!
      Different slowcookers: different timing. Just like with normal pots.
      i like to cook potatoes in alufoil in slowcookers.

  6. Natalie says:

    5 stars
    Can you substitute butter for the sour cream?

    1. Sarah Olson says:

      Yes, personally if I was omitting the sour cream, I would do 1 stick of butter and a splash of milk.

  7. Tanyia says:

    5 stars
    I’m making these now! They look delish. Hope they turn out ok!!