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Crockpot Mashed Potato Recipe
Ash Tyrrell

Crockpot Mashed Potato Recipe

I started making my mashed potatoes in the crockpot a few Thanksgivings ago, and I've never looked back since. I was tired of juggling a boiling pot of potatoes while trying to finish the rest of the meal, so I decided to let my slow cooker do the heavy lifting instead.
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Total Time 4 hours 15 minutes
Servings: 10
Ingredients Method Notes

Ingredients
  

  • 5 pounds russet potatoes peeled and cubed – russets have the right starch content for fluffy, light potatoes instead of a gummy texture.
  • 1/2 cup unsalted butter cubed – adds richness, and using unsalted lets you control the saltiness yourself.
  • 2 cups chicken broth – this is what cooks the potatoes low and slow while infusing extra flavor as they soften.
  • 8 ounces cream cheese softened and cubed – this is the secret to that ultra-creamy, almost whipped texture.
  • 1/2 cup sour cream – adds a slight tang and extra creaminess similar to how crockpot mashed potatoes with sour cream are made.
  • 1/2 cup whole milk warmed – helps loosen the texture to your desired consistency; add more if needed.
  • 2 teaspoons garlic powder – gives a subtle savory background flavor without overpowering the potatoes.
  • 1 1/2 teaspoons salt – season gradually and taste as you go since broth already carries some salt.
  • 1/2 teaspoon black pepper – a basic finishing touch that balances the richness of the butter and cream cheese.
  • Fresh chives or parsley chopped (optional) – use fresh herbs rather than dried for the best color and bright flavor on top.

Method
 

  1. I start by peeling my russet potatoes and cutting them into roughly even 1 to 1.5-inch cubes. Keeping the sizes consistent matters here, since uneven pieces cook unevenly and you'll end up with some chunks still firm while others turn mushy. I give them a quick rinse to remove excess starch before they go in.
  2. Next, I place the cubed potatoes straight into my 6-quart slow cooker and pour the chicken broth right over the top. I scatter half of the cubed butter around the potatoes at this stage so it melts in slowly as everything cooks. This base is really what builds the flavor foundation for the whole dish.
  3. I cover the crockpot and set it to high for 4 to 5 hours, or low for 7 to 8 hours if I'm planning ahead. You'll know the potatoes are ready when a fork slides through them with almost no resistance. I usually give mine a gentle stir around the halfway mark just to help things cook evenly.
  4. Once the potatoes are fork-tender, I don't drain them since the remaining broth adds flavor and moisture. I take my potato masher right into the crockpot and mash everything to my preferred consistency, leaving a few small chunks for texture since I like it a little rustic.
  5. This is where the magic happens. I fold in the softened cream cheese, sour cream, remaining butter, garlic powder, salt, and pepper directly into the warm potatoes. The residual heat melts everything together beautifully, and I stir until it's smooth and glossy.
  6. If the mixture feels too thick, I slowly pour in the warm milk a little at a time until it reaches the consistency I want. I give it one final taste test and adjust the salt and pepper if needed before switching the crockpot to the warm setting for serving.

Notes

  • I always cut my potatoes into similar-sized pieces so they finish cooking at the same time.
  • I let my cream cheese sit out for about 30 minutes before adding it so it blends in smoothly instead of leaving lumps.
  • I keep my slow cooker on warm for serving since mashed potatoes firm up fast once they cool.
  • I taste as I go rather than dumping all the salt in at once, since the broth already adds some seasoning.
  • I save a splash of the warm milk for last so I can control the final texture better.