Easy Slow Cooker Mashed Potatoes

If you want creamy mashed potatoes without standing over the stove, slow cooker mashed potatoes are the perfect solution.

Just add chopped potatoes, butter, and a little broth to the slow cooker and let it do the work. Hours later, you’ll have soft, fluffy potatoes ready to mash and serve.

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And the best part?

They stay warm in the slow cooker until dinner is ready.

This simple method makes it easy to prepare a comforting side dish for busy weeknights or family meals.

If you love easy crockpot comfort food like this, you might also enjoy slow cooker beef stroganoff, slow cooker pork tenderloin, or slow cooker pulled pork for simple dinners that cook themselves.

Why You’ll Love Slow Cooker Mashed Potatoes

Making mashed potatoes in a slow cooker saves time and lets you prepare a creamy side without standing over the stove.

You’ll pick the right potatoes, follow clear cooking steps, and learn tricks to get the perfect texture. You’ll also find advice on storing or making them ahead so they stay fresh and tasty.

Ingredients for Slow Cooker Mashed Potatoes

• 5 pounds russet or Yukon gold potatoes, peeled and cut into chunks
• 1 cup chicken or vegetable broth
• ½ cup unsalted butter, cut into pieces
• 1 cup milk or heavy cream (adjust for desired creaminess)
• 4 ounces cream cheese (optional, for extra creaminess)
• 2 teaspoons salt (or to taste)
• ½ teaspoon black pepper
• 2–3 cloves garlic, minced (optional, for flavor)
• Fresh chives or parsley for garnish

To make this recipe, you’ll want a 6-quart slow cooker and I also recommend using slow cooker liners for easy cleanup.

How to Make Slow Cooker Mashed Potatoes

For slow cooker mashed potatoes, russet potatoes or Yukon Golds work best.

Russets are starchy, which gives you fluffy, smooth potatoes. Yukon Golds have a creamy texture and a buttery flavor, great if you want richer mash.

Avoid waxy potatoes like red or fingerling types because they stay firm and won’t mash well. Choose potatoes that are similar in size so they cook evenly.

You’ll want to peel and cut them into chunks about 1-2 inches to help them soften evenly in the slow cooker.

Place the peeled and chopped potatoes into the slow cooker along with the broth, butter, and garlic if using.

Cover and cook on high for about 3–4 hours or on low for 6–7 hours, until the potatoes are very tender.

Once cooked, mash the potatoes directly in the slow cooker using a potato masher or hand mixer.

Stir in the milk (or cream), cream cheese if using, salt, and pepper until smooth and creamy.

Adjust seasoning to taste and keep warm on the “warm” setting until ready to serve. Garnish with chopped herbs and a pat of butter before serving.

And just like that… your side dish is ready.

Slow Cooker Tips

Now here’s the trick for ultra-creamy potatoes…

Use room temperature butter and warm cream or milk to mix in smoothly. Add your dairy gradually so you control the texture. You can also stir in a little sour cream or cream cheese for extra richness.

Season well with salt and pepper during and after cooking. For more flavor, try mixing in chopped fresh herbs or a sprinkle of ranch seasoning.

But don’t skip this step…

Keep the slow cooker lid on while mashing to retain heat. If the potatoes feel dry, add a splash of broth or cream to loosen them up.

You can prep everything a day before and store the cut potatoes submerged in water in the fridge to keep them from browning.

Cook your mashed potatoes in the slow cooker on the day of serving. If you want to serve later, leave them on warm in the slow cooker for a few hours. Stir occasionally to keep them creamy.

Serving and Storage Suggestions

Best Dishes to Pair With

Creamy slow cooker mashed potatoes pair well with hearty main dishes and comforting family meals. The fluffy texture and buttery flavor make them the perfect side for rich meats and savory sauces.

If you’re planning a cozy dinner, try serving them alongside slow cooker pot roast, slow cooker beef stew, or slow cooker beef stroganoff for a classic comfort-food meal.

They’re also delicious with flavorful dishes like slow cooker pork tenderloin or slow cooker pulled pork, which soak into the potatoes and make every bite extra satisfying.

To round out the meal, add a simple vegetable side like roasted carrots, green beans, or a fresh garden salad for a balanced plate.

Creative Leftover Ideas

Leftover slow cooker mashed potatoes can easily turn into new comfort-food dishes. Spread them in a skillet with butter to make crispy potato cakes, or use them as a topping for shepherd’s pie or cottage pie.

You can also mix them with shredded cheese and bake them as a quick potato casserole, or stir them into soups to add creaminess and thickness.

How to Store and Reheat Leftovers

Store leftovers in an airtight container in the fridge. Reheat gently in the microwave or on the stove with a bit of milk to restore creaminess. Avoid freezing, as the texture may change.

If you love easy hands-off sides like this, explore more ideas in my easy crockpot dinners collection.

Browse my full collection of slow cooker recipes for more simple meals that cook themselves.

Follow my Slow Cooker board on Pinterest.