There is nothing quite as deeply satisfying on a crisp, chilly evening as a steaming bowl of homemade potato soup. It is the culinary equivalent of your favorite cozy oversized sweater: warm, rich, and instantly comforting. While traditional stovetop potato soups often demand steady hovering over a hot burner to prevent the starches and dairy from sticking or scorching, this slow cooker loaded potato soup delivers rich, steakhouse-quality flavor with almost none of the hands-on stress.
Simmered low and slow with chicken broth, sweet aromatics, crisp smoky bacon, and melted sharp cheddar, every spoonful tastes like a fully loaded baked potato straight from your favorite steakhouse. Follow this complete guide to make the best batch your family has ever tasted.
Why You Will Love This Recipe
When life gets busy, your slow cooker is the ultimate kitchen ally, and this loaded potato soup showcases exactly why. Here are just a few reasons this dish deserves a permanent spot in your weekly dinner rotation:
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True “Dump and Go” Simplicity: Aside from peeling and dicing your potatoes and onions, the initial preparation takes less than fifteen minutes. The slow cooker does the hard work of tenderizing the vegetables while you work, run errands, or spend time with family.
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The Perfect Chunky-Velvety Texture: Pureeing soup entirely smooth can sometimes leave it feeling flat or baby-food adjacent. By using a standard potato masher directly in the crockpot, you crush roughly half of the potatoes to naturally thicken the broth while leaving plenty of rustic, bite-sized potato chunks intact.
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No Watery, Thin Broth: A common problem with slow cooker soups is that steam condenses on the lid and drips back down, diluting your flavors. This recipe solves that dilemma by stirring in a quick, silky butter-flour cream roux near the end of cooking. It guarantees an unmistakably thick, luscious consistency every single time.
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Completely Customizable: Loaded potato soup is an interactive meal. Set out small ramekins filled with extra shredded cheese, fresh scallions, crisp bacon bits, and tangy sour cream so everyone at the table can dress their bowl exactly how they like it.
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Crowd-Pleasing & Budget-Friendly: Potatoes are one of the most economical, nutrient-dense ingredients available. With just a handful of affordable pantry staples, you can easily feed a family of eight for a fraction of the cost of dining out.
Ingredients
To ensure your soup develops rich depth and a velvety mouthfeel, stick to high-quality, whole ingredients. Here is everything you will need to assemble this recipe:
The Slow Cooker Base
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4 pounds Russet potatoes: Peeled and diced into even 1-inch cubes. Russet potatoes are high in starch and low in moisture, making them the absolute best choice for mashing and thickening soup.
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1 carton (32 ounces) low-sodium chicken stock: Using low-sodium broth allows you full control over the salt levels of your soup before salty mix-ins like cheese and bacon are added. Vegetable stock works equally well if you prefer.
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1 medium yellow onion: Finely diced. As it simmers for hours, it melts into the background, providing foundational sweetness and aroma.
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3 to 4 cloves fresh garlic: Minced (or 2 teaspoons garlic powder if you are in a pinch).
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1 ½ teaspoons kosher salt: Enhances the natural earthiness of the potatoes.
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1 ½ teaspoons freshly cracked black pepper: Adds a gentle warmth that balances the heavy dairy.
The Creamy Skillet Roux
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4 tablespoons unsalted butter: Serves as the fat base for your thickening roux.
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¼ cup all-purpose flour: Whisked with the butter to cook out the raw flour taste and stabilize the heavy cream.
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2 cups heavy whipping cream: Yields a luxurious, restaurant-style richness that keeps the soup from tasting watery.
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¼ cup sour cream: Adds that signature baked-potato tang while softening the heavy dairy notes.
The “Loaded” Toppings & Mix-Ins
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1 pound thick-cut bacon: Cooked until deeply golden and crisp, then drained and roughly crumbled. You will divide this: half simmers inside the soup, and half stays crispy for garnish.
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1 ½ to 2 cups sharp cheddar cheese: Freshly shredded from a block. Sharp or extra-sharp cheddar provides the best punchy flavor to stand up against heavy cream and potatoes.
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3 to 4 scallions (green onions): Thinly sliced, using both the white and green parts, to add fresh crunch and color.
Step by Step
Making this slow cooker masterpiece is simple and straightforward. Just follow these easy steps:
Step 1: Prep and Start the Slow Cooker
Peel your Russet potatoes and chop them into uniform 1-inch bite-sized cubes. Place the chopped potatoes into the bottom of a 6-quart or larger slow cooker. Add the finely diced yellow onion and minced garlic. Sprinkle the kosher salt and freshly cracked black pepper over the top. Pour in the entire 32-ounce carton of chicken broth.
Stir briefly to distribute the aromatics and seasoning. Secure the lid and cook on High for 4 hours or on Low for 6 to 7 hours. The potatoes are done when a fork slides into a potato cube with zero resistance.

Step 2: Crisp the Bacon
While your slow cooker is working away, slice your raw thick-cut bacon into ½-inch lardons. Add the pieces to a large cold skillet and place it over medium heat. Fry the bacon slowly, stirring occasionally, for 8 to 10 minutes until deeply browned, rendered, and extra crispy.
Use a slotted spoon to transfer the crispy bacon onto a plate lined with paper towels to drain. Divide the bacon into two equal piles: set one pile aside for cooking directly into the soup, and keep the other pile in an airtight container for serving garnishes.

Step 3: Mash for Ideal Texture
Once the potatoes are fully tender, remove the slow cooker lid. Grab a sturdy manual potato masher and plunge it down into the pot roughly 8 to 12 times.
Take care not to over-mash; you do not want to turn the broth into whipped mashed potatoes. You are simply breaking apart some of the outer starches to naturally body the broth while keeping plenty of whole, bite-sized potato pieces for hearty texture.

Step 4: Whisk the Cream Roux
In a medium saucepan or clean skillet, melt the 4 tablespoons of butter over medium-low heat. Once bubbling, sprinkle in the ¼ cup of all-purpose flour. Whisk continuously for about 2 to 3 minutes until the mixture turns a pale golden hue and smells fragrant and nutty.
Slowly stream in the 2 cups of heavy whipping cream in a steady pour, whisking vigorously the entire time to prevent any lumps from forming. Once smooth, whisk in the ¼ cup of sour cream. Continue simmering over low heat for 2 to 3 minutes until the mixture thickens into a glossy, velvety white sauce that cleanly coats the back of a spoon.

Step 5: Combine, Melt, and Simmer
Pour the warm cream roux mixture directly into the slow cooker over the mashed potatoes. Add 1 cup of the freshly shredded sharp cheddar cheese and half of the cooked bacon bits.
Using a sturdy wooden spoon or heatproof spatula, stir gently until the cheese has melted into the liquid and the creamy sauce is uniformly incorporated. Place the lid back on the slow cooker, set it to Low, and let everything simmer together for an additional 30 to 45 minutes. This gentle rest allows the starches, melted cheese, and dairy to thicken into a cohesive, spoon-coating masterpiece.

Step 6: Garnish and Serve
Give the soup one final gentle stir. Taste and adjust with extra salt or black pepper if desired. Ladle generous portions into wide bowls. Immediately crown each bowl with a sprinkle of the reserved shredded cheddar, the remaining crispy bacon, fresh sliced scallions, and an extra dollop of cool sour cream if you love extra decadence. Serve immediately with crusty sourdough bread or warm garlic rolls for dipping.

Expert Tips for the Best Crockpot Potato Soup
Elevate your batch from standard weeknight fare to restaurant-grade quality with these simple culinary tips:
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Always Grate Your Cheese from a Block: It might be tempting to grab a bag of pre-shredded cheddar from the grocery store, but resist the urge. Pre-packaged cheeses are coated with potato starch, cellulose, and natamycin to keep the strands from sticking together. These anti-caking agents prevent the cheese from melting cleanly, often leaving your soup with a gritty, grainy, or separated oily sheen. Taking two minutes to grate a block of cheddar produces a silky, seamless melt every time.
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Stick Exclusively with Russet Potatoes: Waxy potato varieties like Red Bliss, Yukon Gold, or fingerlings hold their shape too stubbornly and release very little starch into the broth. Russets break down effortlessly, giving you that authentic, creamy baked-potato consistency without needing artificial thickeners.
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Watch Your Salt Balance: Potatoes are notorious for soaking up a lot of salt, but keep in mind that bacon, chicken stock, and sharp cheddar all pack a significant sodium punch. Using low-sodium stock and lightly seasoning at the beginning ensures your soup will not turn out overly salty once the garnishes are stirred through. Do your final seasoning adjustments at the very end.
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Never Add Cold Dairy to Hot Broth: When making your roux on the stove, make sure your heavy cream is slightly warm or at least room temperature before whisking it into the hot butter and flour. Adding ice-cold dairy straight from the fridge can cause the fat to seize and separate, creating an uneven emulsion.
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Storage and Reheating Advice: Leftover potato soup keeps wonderfully in an airtight container in the refrigerator for up to 4 days. Because potatoes continue to absorb moisture as they chill, the soup will become notably thicker overnight. When reheating individual portions on the stovetop or in the microwave, stir in a splash of warm milk or low-sodium chicken stock to loosen the texture back to its original silky consistency.
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Skip the Freezer: Because this recipe relies on a delicate balance of heavy dairy, sour cream, and starchy potatoes, it does not freeze and thaw well. Freezing tends to cause the dairy fats to separate and curdles the texture, while the potatoes become grainy and waterlogged. Enjoy this batch fresh for maximum deliciousness!
Slow Cooker Loaded Potato Soup
A creamy, rich, and hearty loaded potato soup made effortlessly in your slow cooker, perfect for chilly evenings.
- Prep Time: 15 minutes
- Cook Time: 240 minutes
- Total Time: 255 minutes
- Yield: 8 servings 1x
- Category: Soup
- Method: Slow Cooking
- Cuisine: American
- Diet: Gluten-Free
Ingredients
- 4 pounds Russet potatoes, peeled and diced into 1-inch cubes
- 1 carton (32 ounces) low-sodium chicken stock
- 1 medium yellow onion, finely diced
- 3 to 4 cloves fresh garlic, minced
- 1 ½ teaspoons kosher salt
- 1 ½ teaspoons freshly cracked black pepper
- 4 tablespoons unsalted butter
- ¼ cup all-purpose flour
- 2 cups heavy whipping cream
- ¼ cup sour cream
- 1 pound thick-cut bacon, cooked and crumbled
- 1 ½ to 2 cups sharp cheddar cheese, freshly shredded
- 3 to 4 scallions, thinly sliced
Instructions
- Prep and Start the Slow Cooker: Peel and chop the potatoes, onion, and garlic, and transfer to the slow cooker. Add salt and pepper, then pour in the chicken broth. Cook on High for 4 hours or Low for 6 to 7 hours.
- Crisp the Bacon: Slice bacon, cook in a skillet until crispy, then divide between the soup and garnishing.
- Mash for Ideal Texture: Once potatoes are tender, mash roughly half of them in the slow cooker.
- Whisk the Cream Roux: In a skillet, melt butter, whisk in flour, add cream and sour cream, and simmer until thickened.
- Combine, Melt, and Simmer: Add the cream roux to the slow cooker with cheese and half the bacon. Stir and let simmer for 30-45 minutes.
- Garnish and Serve: Serve the soup topped with reserved bacon, cheddar, scallions, and sour cream. Enjoy with crusty bread.
Notes
For the best texture, grate cheese from a block and be cautious with salt levels. Store leftovers in the fridge and reheat with added liquid if needed.
Nutrition
- Serving Size: 1 cup
- Calories: 450
- Sugar: 5g
- Sodium: 800mg
- Fat: 25g
- Saturated Fat: 12g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 45g
- Fiber: 5g
- Protein: 15g
- Cholesterol: 50mg
Keywords: potato soup, slow cooker, comfort food
