Slow Cooker Mashed Potatoes

Last Updated on November 19, 2025

November 12, 2025

 

When you make these Slow Cooker Mashed Potatoes, you will never make mashed potatoes any other way! These are the ultimate side dish and easy to make thanks to the crockpot doing the work for you. Perfect for serving a crowd, I can make these in advance and have both stovetop and oven space for other recipes. They’re truly a lifesaver!

The key to these Slow Cooker Mashed Potatoes being so good (my wife says they’re the best she’s ever had) is the three creamy ingredients that I add. Those are heavy cream, whipped cream cheese, and sour cream. That’s what sets these potatoes apart from all the other crockpot mashed potatoes online. They’re just so addicting!

Serve them with any sort of main course, like Dill Pickle Pot Roast or Garlic Butter Steak Bites and you’ll be ready to feed a crowd. They’re also a staple on our Thanksgiving menu and make cooking stress-free.

Slow cooker mashed potatoes in a crockpot.

Why You’ll Love this Recipe

  • 6 ingredient mashed potatoes. So simple and easy to shop for. Plus they’re affordable too!
  • Easiest and most foolproof mashed potatoes. The slow cooker does all of the work for you, there’s no hassle or fear that your potatoes will break – these come out perfectly every time.
  • Best side dish for any protein. No matter the recipe, these potatoes probably pair with it.
Matt’s Tip: You can cut the potatoes into cubes up to one day in advance. Just hold them in a bowl of water in the fridge so they don’t oxidize.

Ingredients for slow cooker mashed potatoes.

Ingredients

  • Yukon Gold Potatoes: Our preference here for their creamy texture and rich flavor. You can use russets, but we don’t think they come out as creamy and delicious.
  • Low sodium chicken broth: Adds richness to the potatoes.
  • Unsalted butter: The key to any good potato for that addicting flavor!
  • Sour cream: One of the three creamy ingredients we use to keep these potatoes creamy and moist.
  • Whipped cream cheese: This is the ultimate secret ingredient to making potatoes that are overly decadent every time.
  • Black pepper: We like a lot of black pepper for a little bit of a kick.
  • Potato slayer seasoning: This is optional, you can also use a mix of garlic powder, onion powder, paprika, and cayenne.
  • Heavy cream: One last creamy ingredient to make these the ultimate mashed potatoes.

How to Make Slow Cooker Mashed Potatoes

1. Wash, peel, and cut up potatoes into roughly equal size pieces.
Peeled potatoes being cut into cubes on a cutting board.
2. Place in slow cooker with chicken broth, 1/2 stick butter, and a pinch of salt.
A slow cooker with cubed potatoes and part of a stick of butter.
3. Cook on high 4-5 hours or low 6-8. Just cooking until fork tender.
4. Once fork tender, drain remaining liquid from slow cooker.
5. Add 1/2 stick butter, sour cream, and whipped cream cheese.
A slow cooker with boiled cubed potatoes, sour cream, and whipped cream cheese.
6. Add seasonings as well before beating.
A hand mixer is mixing the slow cooker mashed potatoes.
7. Now, add in heavy cream and continue to beat until smooth with a hand mixer. Enjoy!

Expert Tips

  • Leave sour cream, butter, cream cheese, and heavy cream out for a little while so its not cold when adding. This will allow potatoes to remain smooth instead of becoming grainy.
  • Keep these potatoes on warm all meal long. Whether you are making these slow cooker mashed potatoes for the holidays or just a weeknight dinner, you can keep them warm for serving in the crockpot until you’ve finished the meal.
  • Cut the potatoes all to the same size before cooking. This helps them to cook more evenly in the slow cooker so they are all tender and ready to mash at the same time.
  • Mashed the potatoes with a hand mixer or a potato masher. We give both options here depending on what is easier for you! We love using a hand mixer since it makes them light and fluffy. Just be careful not to over-mix or you risk them becoming gluey.
  • If you desire, you can make these mashed potatoes on the stovetop. Just boil the potatoes in the chicken broth for 18 to 25 minutes until tender, then mix according to the recipe.

Storage

Store any leftovers in an airtight container in the fridge for up to 4 days. Reheat on the stovetop or in the microwave until warmed through. Add a splash of warm cream or even milk to help thin them out if they’re thick.

You can also freeze the potatoes for up to 2 months, we just can’t promise they will be the same consistency once reheated.

Slow cooker mashed potatoes in a crockpot.

FAQs

Why did my potatoes break? 
Make sure that your butter is softened or melted, and your cream and cream cheese are all room temperature when mixing into the boiled potatoes. This helps everything to incorporate correctly.

Do I need to peel the potatoes? 
We like to peel them to make the creamiest texture, but you can leave them unpeeled if you like a rougher texture.

What other mix-ins go well in these crockpot mashed potatoes? 
We’ve added cheese as well as fresh herbs like parsley, chives, or dill to turn these potatoes into different flavors.

More Delicious Side Dishes

Slow cooker mashed potatoes in a crockpot.

Slow Cooker Mashed Potatoes

When you make these Slow Cooker Mashed Potatoes, you will never make mashed potatoes any other way! These are the ultimate side dish and easy to make thanks to the crockpot doing the work for you. Perfect for serving a crowd, I can make these in advance and have both stovetop and oven space for other recipes. They're truly a lifesaver!
Print Pin Rate
Course: Side Dish
Cuisine: American
Prep Time: 25 minutes
Cook Time: 4 hours
Servings: 12 servings

Video

Equipment

  • Slow Cooker

Ingredients

  • 5 lbs Yukon Gold Potatoes
  • 1 cup low sodium chicken broth
  • 1 stick unsalted butter
  • 1/2 cup sour cream
  • 4 oz whipped cream cheese
  • 1.5 tsp black pepper
  • 2 tsp potato slayer seasoning(optional)
  • 1 cup heavy cream
  • salt to taste

Instructions

  • Wash, peel, and cut up potatoes into roughly equal size pieces.
  • Place in slow cooker with chicken broth, 1/2 stick butter, and a pinch of salt.
  • Cook on high 4-5 hours or low 6-8. Just cooking until fork tender.
  • Once fork tender, drain remaining liquid from slow cooker.
  • Add 1/2 stick butter, sour cream, and whipped cream cheese.
  • Add seasonings as well before beating.
  • Now, add in heavy cream and continue to beat until smooth. Enjoy!

Notes

Leave sour cream, butter, cream cheese, and heavy cream out for a little while so its not cold when adding.  Will allow potatoes to remain smooth instead of becoming grainy.
Storage:
Store any leftovers in an airtight container in the fridge for up to 4 days. Reheat on the stovetop or in the microwave until warmed through. Add a splash of warm cream or even milk to help thin them out if they're thick.
You can also freeze the potatoes for up to 2 months, we just can't promise they will be the same consistency once reheated.

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