There is something about a bowl of slow-cooked potato soup that feels like a wool blanket on a cold evening. This crockpot version gets you there with about 15 minutes of hands-on work: you chop, you dump, and the slow cooker does the heavy lifting while the potatoes turn fork-tender and the broth turns silky.
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The trick to a soup that tastes rich without being heavy is layering flavor before the lid goes on. A quick sauté of onion and garlic in butter, a spoonful of flour to thicken, and a splash of evaporated milk at the end give you that classic creamy texture without a gallon of cream. Sharp cheddar and a scatter of bacon and chives finish each bowl like a loaded baked potato.
It is also a forgiving recipe. Russets break down into a naturally fluffy base, Yukon Golds hold their shape for a chunkier soup, and the whole thing freezes well if you leave the dairy out until reheating. Make a double batch on Sunday and you have lunches sorted for the week.
Why You'll Love This Recipe
About the Ingredients
6 slices thick-cut bacon, chopped
Thick-cut bacon renders better and gives you smoky fat for sautéing the aromatics. If you prefer, use 1 tablespoon olive oil plus 1/2 teaspoon smoked paprika instead.
1 medium yellow onion, finely diced (about 1 1/2 cups)
Yellow onion melts into the soup and adds sweetness. Sweet onion or two large shallots are fine substitutes if that is what you have.
3 cloves garlic, minced
Fresh garlic is worth it here; jarred garlic tastes flat after a long cook. Add it last in the sauté so it does not scorch.
2 tablespoons all-purpose flour
Flour thickens the soup and keeps it from tasting watery. For gluten-free, swap in 1 tablespoon cornstarch whisked into the broth at the end.
3 pounds russet potatoes, peeled and cut into 3/4-inch cubes (about 8 medium)
Russets break down and give the soup its fluffy body. Yukon Golds work too if you want more distinct chunks; just do not use waxy red potatoes, which stay firm.
4 cups low-sodium chicken broth
Low-sodium broth lets you control the salt at the end. Vegetable broth makes this fully vegetarian and works just as well.
1 teaspoon kosher salt, plus more to taste
Kosher salt dissolves evenly and seasons gently. If using fine table salt, start with 3/4 teaspoon.
1/2 teaspoon freshly ground black pepper
Fresh-cracked pepper has more aroma than pre-ground. White pepper is a nice swap if you want a smoother-looking soup.
1 can (12 ounces) evaporated milk
Evaporated milk stays stable in the slow cooker and will not curdle like regular milk. Whole milk works if added in the last 30 minutes of cooking.
2 cups (8 ounces) shredded sharp cheddar cheese
Sharp cheddar gives the most flavor per ounce. Shred it yourself from a block, since pre-shredded cheese has anti-caking starch that can make the soup grainy.
1/4 cup sour cream, plus more for serving
Sour cream adds tang and body. Plain Greek yogurt is a good substitute if you temper it with a spoonful of hot soup first.
3 tablespoons chopped fresh chives or green onions
Chives are classic, but thin-sliced green onion tops are a fine stand-in. Add them at serving so they stay bright.
Tips & Tricks
Do not add the dairy early
Stir in evaporated milk, cheese, and sour cream only in the last 30 minutes on Low. Boiling dairy for hours can curdle and turn grainy.
Cut the potatoes evenly
Uniform 3/4-inch cubes cook at the same rate, so you do not end up with mush on the bottom and hard chunks on top.
Season in stages
Salt the onions while they sauté, use low-sodium broth, then taste and adjust after the cheese goes in. Cheese brings its own salt.
Pro Tips
Step-by-Step Instructions
1. Crisp the bacon
Cook the chopped bacon in a large skillet over medium heat (about 350°F / 175°C) for 7 to 9 minutes, until deeply golden brown and crisp at the edges. Transfer to a paper-towel-lined plate and leave 2 tablespoons of the rendered fat in the pan.
2. Sauté the aromatics
Add the diced onion to the bacon fat and cook over medium heat for 5 to 6 minutes, until translucent and soft, then stir in the garlic and cook 30 seconds more until fragrant. Sprinkle the flour over the vegetables and stir constantly for 1 minute to cook out the raw flour taste.
3. Load the slow cooker
Scrape the onion mixture into a 6-quart slow cooker. Add the cubed potatoes, chicken broth, kosher salt, and pepper and stir to combine, making sure the potatoes are mostly submerged.
4. Slow cook on Low
Cover and cook on Low for 6 to 7 hours or on High for 3 to 4 hours, until the potatoes are fork-tender and crush easily against the side of the pot. Avoid lifting the lid during the first few hours so the heat stays steady.
5. Thicken the base
Mash roughly one-third of the potatoes against the side of the slow cooker with a wooden spoon or potato masher, leaving the rest chunky. This releases starch and thickens the broth naturally.
6. Stir in the dairy
Reduce the heat to Low if you were on High and stir in the evaporated milk. Add the shredded cheddar one handful at a time, stirring until each addition melts completely, about 3 to 4 minutes total.
7. Finish and season
Stir in the sour cream and taste. Add salt and pepper as needed; the soup should taste creamy, savory, and just slightly smoky from the bacon. Keep the soup on Warm until serving.
8. Serve hot
Ladle into bowls and top with the reserved crispy bacon, chopped chives, and a small dollop of sour cream. Serve with crusty bread for dipping.
Delicious Variations
Loaded Baked Potato Style
Swap half the cheddar for smoked gouda and top with extra bacon, chives, and a drizzle of ranch.
Cheesy Broccoli Potato Soup
Add 3 cups of small broccoli florets in the last hour of cooking for a greener, heartier bowl.
Spicy Southwest Potato Soup
Stir in a 4-ounce can of diced green chiles and 1 teaspoon cumin with the broth, then finish with pepper jack cheese.
How to Store The Best Crockpot Potato Soup Recipe for Creamy Comfort
Refrigerator
Store in an airtight container in the refrigerator for up to 4 days. The soup thickens as it chills; loosen with a splash of broth or milk when reheating.
Freezer
Freeze the soup base before adding the dairy for up to 3 months. Thaw overnight in the refrigerator, then reheat gently and stir in the evaporated milk, cheese, and sour cream at the end.
Reheating
Reheat on the stovetop over low heat, stirring often, or in the microwave in 1-minute bursts. Do not boil, or the dairy can separate and turn grainy.
Frequently Asked Questions
Q: Can I make crockpot potato soup without evaporated milk?
Yes, you can substitute whole milk or half-and-half, but add it in the last 30 minutes of cooking so it does not curdle. Evaporated milk is the most stable option because it holds up to slow-cooker heat without separating.
Q: Why did my potato soup turn out grainy?
Grainy soup is almost always caused by dairy added too early or by pre-shredded cheese coated in anti-caking starch. Add the evaporated milk and cheese in the last 30 minutes, keep the heat on Low, and grate a block of sharp cheddar yourself.
Q: How long does potato soup last in the fridge?
Homemade crockpot potato soup keeps for up to 4 days in an airtight container in the refrigerator. Reheat it gently on the stovetop or in the microwave and avoid boiling so the dairy stays smooth.
Q: Can I put raw potatoes in the slow cooker for soup?
Yes, raw cubed potatoes cook perfectly in the slow cooker and are the standard method for this recipe. Cut them into even 3/4-inch pieces and make sure they are mostly covered by broth so they cook evenly.
Q: Can I make this potato soup in an Instant Pot instead?
Yes, pressure cook the potatoes, broth, and sautéed aromatics on High for 10 minutes with a 10-minute natural release. Then switch to Sauté, stir in the dairy and cheese, and serve.
If you make this crockpot potato soup, I would love to hear how it turned out. Leave a comment with the variation you tried, snap a photo of your bowl, and pin the recipe so you can find it the next time a cold night calls for something creamy and warm.
The Best Crockpot Potato Soup Recipe for Creamy Comfort
This crockpot potato soup recipe delivers velvety, creamy comfort with tender potatoes and sharp cheddar in a hands-off slow cooker.
🧂 Ingredients
- 6 slices thick-cut bacon, chopped
- 1 medium yellow onion, finely diced (about 1 1/2 cups)
- 3 cloves garlic, minced
- 2 tablespoons all-purpose flour
- 3 pounds russet potatoes, peeled and cut into 3/4-inch cubes (about 8 medium)
- 4 cups low-sodium chicken broth
- 1 teaspoon kosher salt, plus more to taste
- 1/2 teaspoon freshly ground black pepper
- 1 can (12 ounces) evaporated milk
- 2 cups (8 ounces) shredded sharp cheddar cheese
- 1/4 cup sour cream, plus more for serving
- 3 tablespoons chopped fresh chives or green onions
📋 Instructions
- 1Crisp the bacon — Cook the chopped bacon in a large skillet over medium heat (about 350°F / 175°C) for 7 to 9 minutes, until deeply golden brown and crisp at the edges. Transfer to a paper-towel-lined plate and leave 2 tablespoons of the rendered fat in the pan.
- 2Sauté the aromatics — Add the diced onion to the bacon fat and cook over medium heat for 5 to 6 minutes, until translucent and soft, then stir in the garlic and cook 30 seconds more until fragrant. Sprinkle the flour over the vegetables and stir constantly for 1 minute to cook out the raw flour taste.
- 3Load the slow cooker — Scrape the onion mixture into a 6-quart slow cooker. Add the cubed potatoes, chicken broth, kosher salt, and pepper and stir to combine, making sure the potatoes are mostly submerged.
- 4Slow cook on Low — Cover and cook on Low for 6 to 7 hours or on High for 3 to 4 hours, until the potatoes are fork-tender and crush easily against the side of the pot. Avoid lifting the lid during the first few hours so the heat stays steady.
- 5Thicken the base — Mash roughly one-third of the potatoes against the side of the slow cooker with a wooden spoon or potato masher, leaving the rest chunky. This releases starch and thickens the broth naturally.
- 6Stir in the dairy — Reduce the heat to Low if you were on High and stir in the evaporated milk. Add the shredded cheddar one handful at a time, stirring until each addition melts completely, about 3 to 4 minutes total.
- 7Finish and season — Stir in the sour cream and taste. Add salt and pepper as needed; the soup should taste creamy, savory, and just slightly smoky from the bacon. Keep the soup on Warm until serving.
- 8Serve hot — Ladle into bowls and top with the reserved crispy bacon, chopped chives, and a small dollop of sour cream. Serve with crusty bread for dipping.
