Potato soup goes wrong in two predictable ways: it turns to glue because the potatoes were over-blended, or it breaks into a grainy slick because the dairy went in too early and boiled. This version sidesteps both by keeping the potatoes in rustic chunks and adding the cream in the last half hour, when the heat is low and the starch has already settled.
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The slow cooker does the unglamorous work here. Russets break down at the edges and thicken the broth on their own, so you need less flour and no roux. Fifteen minutes of chopping, then you walk away for five hours. The bacon goes on at the end, crisp, because bacon cooked inside a slow cooker for five hours is a tragedy nobody talks about.
You will need a 6-quart slow cooker, the cheapest adequate version being any basic manual model with a low and high setting. No app, no probe, no subscription.
Why You'll Love This Recipe
About the Ingredients
6 slices thick-cut bacon (about 8 oz / 225g)
Thick-cut gives you better texture when crumbled. If you keep turkey bacon on hand, cook it a minute longer than you think, since it releases less fat and browns reluctantly.
1 medium yellow onion, diced (about 1 1/2 cups / 200g)
Yellow onion melts into the broth; red onion stays sharp and turns the soup an unflattering pink. Sweet onion works if you reduce the salt slightly.
3 lbs (1.35kg) russet potatoes, peeled and cut into 1-inch cubes
Russets are the point here, because their high starch thickens the soup. Yukon Golds give a waxier, less creamy result; if you use them, mash a cup of the cubes against the pot wall at the end.
4 cups (960ml) low-sodium chicken broth
Low-sodium matters because the bacon and cheese both bring salt. Vegetable broth makes this fully vegetarian and costs you nothing in flavor.
1 tsp kosher salt, plus more to taste
Kosher salt dissolves predictably; if you only have table salt, start with 3/4 tsp, since it is denser per spoon. Taste before the final seasoning, as the broth concentrates.
1/2 tsp freshly ground black pepper
Fresh-cracked is worth it here because there are so few spices to hide behind. White pepper is a fine swap if you dislike black flecks in a cream soup.
3 tbsp unsalted butter
Butter rounds out the starch. Salted butter works, but then skip the added salt until the very end.
1 cup (240ml) whole milk
Whole milk gives body without the risk of breaking. Two percent is acceptable; skim will read thin and slightly gray.
1/2 cup (120ml) heavy cream
The fat stabilizes the emulsion, so do not skip it entirely. Half-and-half is the closest substitute; add it at the same late stage.
1 cup (100g) shredded sharp cheddar, plus more for serving
Sharp cheddar carries flavor through the potato. Pre-shredded bags are coated in starch and clump; grate a block if you have thirty extra seconds.
3 tbsp chopped fresh chives or sliced scallion greens
Chives are traditional; scallion greens are cheaper and sharper. Add them at serving, never in the pot, or they go drab.
Optional: 1/2 cup (60g) sour cream, for serving
Stir it into individual bowls, not the pot, so leftovers do not split. Greek yogurt is a leaner substitute with a slight tang.
Tips & Tricks
Do not boil the dairy
Add milk and cream only in the last 30 minutes on Low, and never let the soup come to a rolling boil afterward, or the proteins curdle into grainy flecks.
Cut the potatoes evenly
One-inch cubes are the difference between a soup that thickens and one with raw cores floating in broth. A ruler is not required, but consistency is.
Salt in stages
Salt the potatoes lightly at the start, then finish after the cheese goes in, because cheddar brings its own sodium and you cannot take it back out.
Pro Tips
Step-by-Step Instructions
1. Crisp the bacon
Cook the bacon in a skillet over medium heat (about 350F / 175C) for 8 to 10 minutes, turning once, until deep golden brown and rigid. Drain on paper towels and crumble; you want it crisp now because it will not cook again.
2. Layer the base
Put the diced onion and cubed potatoes in the 6-quart slow cooker, then pour in the broth and add the salt and pepper. The liquid should just barely cover the potatoes; add a splash more broth if any cubes sit proud.
3. Cook on Low
Cover and cook on Low for 5 to 6 hours, or on High for 3 to 3 1/2 hours. The potatoes are done when a cube crushes against the side of the pot with no resistance and the onion has gone translucent.
4. Rough up the texture
Mash about a third of the potatoes against the pot wall with a wooden spoon or potato masher until the broth looks cloudy and thickened. Leave the rest whole; this is your creaminess without a blender.
5. Warm the dairy
Reduce the heat to Low if you were on High. Stir in the butter until it disappears, then the milk and cream, and cook uncovered for 25 to 30 minutes until the soup is steaming but not bubbling at the edges.
6. Melt in the cheese
Add the shredded cheddar a handful at a time, stirring until each addition vanishes before the next. Taste and adjust salt; it usually needs a pinch more than you expect.
7. Finish and serve
Ladle into bowls and top with crumbled bacon, chives, and a spoon of sour cream. If the soup tightened while standing, loosen it with a splash of warm broth, not cold milk.
Delicious Variations
Loaded Baked Potato
Stir in the sour cream at the end and top with extra cheddar and bacon for a fully loaded bowl.
Broccoli Cheddar
Add 2 cups of small broccoli florets with the potatoes and cook the same time; the florets soften without disintegrating.
Smoky Chipotle
Stir in 1 minced chipotle in adobo with the dairy for a smoky heat that cuts the richness.
How to Store Easy Crockpot Potato Soup Recipe
Refrigerator
Store in an airtight container for up to 4 days. It thickens considerably when cold; reheat with a splash of broth or milk.
Freezer
Freezing is possible but the dairy may separate. Freeze the potato base before adding cream, for up to 2 months, then finish with fresh dairy on reheating.
Reheating
Reheat gently on the stovetop over low heat (around 200F / 95C), stirring often, or in 1-minute microwave bursts. Do not boil, or the soup will break.
Frequently Asked Questions
Q: Can I put raw potatoes in a crockpot for potato soup?
Yes, raw cubed potatoes are exactly what this recipe calls for, and they cook through in 5 to 6 hours on Low. Cut them to a uniform 1 inch so the small pieces do not dissolve before the large ones soften.
Q: Why did my potato soup turn out gluey?
Over-blending releases too much starch, which is why this recipe mashes only a third of the potatoes by hand. If yours is already gluey, thin it with warm broth and accept a thicker, more rustic bowl.
Q: Can I use frozen potatoes or hash browns instead?
Yes, 6 cups of frozen diced potatoes work and cut the cook time to about 4 hours on Low. Skip the mashing step if using hash browns, since they thicken the broth on their own.
Q: How do I keep the cream from curdling in a slow cooker?
Add dairy only in the last 30 minutes on Low and never let the soup boil afterward. If it does curdle slightly, whisk in a tablespoon of cornstarch slurry and keep the heat low.
Q: Can I make this potato soup in an Instant Pot instead?
Yes, pressure cook the potatoes, onion, and broth on High for 10 minutes with a 10-minute natural release, then switch to Saute and stir in the dairy on low. The texture is slightly less developed but the timing is unbeatable.
Chop once, walk away, and come back to a pot that thickens itself. If you make it, tell me whether the bacon survived long enough to reach the bowls. Measure twice. You know the rest.
Easy Crockpot Potato Soup Recipe
This easy Crockpot potato soup recipe turns humble russets into a creamy, bacon-topped bowl with 15 minutes of hands-on work and zero babysitting.
🧂 Ingredients
- 6 slices thick-cut bacon (about 8 oz / 225g)
- 1 medium yellow onion, diced (about 1 1/2 cups / 200g)
- 3 lbs (1.35kg) russet potatoes, peeled and cut into 1-inch cubes
- 4 cups (960ml) low-sodium chicken broth
- 1 tsp kosher salt, plus more to taste
- 1/2 tsp freshly ground black pepper
- 3 tbsp unsalted butter
- 1 cup (240ml) whole milk
- 1/2 cup (120ml) heavy cream
- 1 cup (100g) shredded sharp cheddar, plus more for serving
- 3 tbsp chopped fresh chives or sliced scallion greens
- Optional: 1/2 cup (60g) sour cream, for serving
📋 Instructions
- 1Crisp the bacon — Cook the bacon in a skillet over medium heat (about 350F / 175C) for 8 to 10 minutes, turning once, until deep golden brown and rigid. Drain on paper towels and crumble; you want it crisp now because it will not cook again.
- 2Layer the base — Put the diced onion and cubed potatoes in the 6-quart slow cooker, then pour in the broth and add the salt and pepper. The liquid should just barely cover the potatoes; add a splash more broth if any cubes sit proud.
- 3Cook on Low — Cover and cook on Low for 5 to 6 hours, or on High for 3 to 3 1/2 hours. The potatoes are done when a cube crushes against the side of the pot with no resistance and the onion has gone translucent.
- 4Rough up the texture — Mash about a third of the potatoes against the pot wall with a wooden spoon or potato masher until the broth looks cloudy and thickened. Leave the rest whole; this is your creaminess without a blender.
- 5Warm the dairy — Reduce the heat to Low if you were on High. Stir in the butter until it disappears, then the milk and cream, and cook uncovered for 25 to 30 minutes until the soup is steaming but not bubbling at the edges.
- 6Melt in the cheese — Add the shredded cheddar a handful at a time, stirring until each addition vanishes before the next. Taste and adjust salt; it usually needs a pinch more than you expect.
- 7Finish and serve — Ladle into bowls and top with crumbled bacon, chives, and a spoon of sour cream. If the soup tightened while standing, loosen it with a splash of warm broth, not cold milk.
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