Slow Cooker Baked Potato Soup
Nothing beats a bowl of baked potato soup on a chilly day. This slow cooker version gives you all the comforting flavors—creamy potatoes, smoky bacon, sharp cheddar—without babysitting a pot. You toss everything in, walk away, and come back to a rich, velvety soup that tastes like it simmered all day.
The best part? You can customize it with your favorite toppings and make it as hearty or light as you want.
Why This Recipe Works
This recipe leans on the slow cooker to turn simple ingredients into something special. Potatoes break down gently over low heat, giving the soup a naturally creamy texture without needing heavy cream.
A quick mash at the end builds body, while a little sour cream and cheddar add richness and tang. Crisp bacon and green onions give it that “loaded” baked potato flavor, and the seasoning stays balanced and clean.
Because it cooks low and slow, the flavors meld beautifully, and the soup reheats like a dream. It’s budget-friendly, great for weeknights, and easy to scale for a crowd.
You’ll get that classic baked potato vibe with minimal effort.

Shopping List
- Russet potatoes (about 3 pounds), peeled and diced
- Yellow onion, finely chopped
- Garlic, 3–4 cloves, minced
- Chicken or vegetable broth, 4 cups
- Milk, 1 cup (whole or 2%)
- Sour cream, 1/2 cup
- Sharp cheddar cheese, 1 1/2 cups, shredded (plus extra for topping)
- Bacon, 6 slices, cooked and crumbled (optional but recommended)
- Unsalted butter, 2 tablespoons
- All-purpose flour, 2 tablespoons (for thickening, optional)
- Salt and black pepper
- Smoked paprika or paprika, 1/2 teaspoon
- Green onions or chives, sliced, for topping
- Optional add-ins: cream cheese, hot sauce, cooked ham, or steamed broccoli
How To Make Slow Cooker Baked Potato Soup
- Prep the potatoes. Peel and dice the russets into 1/2-inch cubes. Smaller pieces cook faster and mash more easily.
- Load the slow cooker. Add potatoes, onion, garlic, broth, paprika, 1 teaspoon salt, and 1/2 teaspoon pepper. Dot with butter.
- Cook low and slow. Cover and cook on Low for 6–8 hours, or on High for 3–4 hours, until the potatoes are very tender.
- Crisp the bacon. While the soup cooks, fry the bacon until crisp.
Drain and crumble. Set aside for topping and stirring in.
- Thicken (optional). For a thicker soup, whisk flour with the milk until smooth. Stir the slurry into the slow cooker.
Cook 20–30 more minutes on High to thicken.
- Mash to your liking. Use a potato masher to mash some of the potatoes right in the pot. Leave some chunks for texture, or blend briefly with an immersion blender for extra creaminess.
- Finish creamy. Stir in sour cream and 1 cup of the shredded cheddar. Taste and adjust salt and pepper.
If you like it richer, add a splash more milk or a few cubes of cream cheese.
- Serve and top. Ladle into bowls. Top with bacon, extra cheddar, and green onions. Add hot sauce if you want a little kick.

Keeping It Fresh
Let the soup cool until just warm before storing.
Transfer to airtight containers and refrigerate for up to 4 days. The soup will thicken as it chills, so add a splash of milk or broth when reheating to loosen it.
To freeze, skip the sour cream and most of the cheese, and freeze the base up to 3 months. Reheat gently on the stove or in a slow cooker, then stir in sour cream and cheese just before serving.
This prevents separation and keeps the texture smooth.
Benefits of This Recipe
- Hands-off cooking: Minimal prep and no hovering over the stove.
- Budget-friendly: Potatoes, onions, and broth stretch a long way.
- Family-friendly: Mild, cozy flavors with customizable toppings.
- Great for meal prep: Reheats well and thickens nicely for leftovers.
- Flexible: Works with chicken or vegetable broth and various dairy options.
What Not to Do
- Don’t add all the dairy too early. Dairy can curdle during long, high-heat cooking. Stir it in at the end.
- Don’t cut the potatoes too big. Large chunks won’t soften evenly and are harder to mash.
- Don’t skip seasoning. Potatoes need salt. Taste and adjust at the end for best flavor.
- Don’t overblend. A quick mash keeps texture.
Over-blending can make it gluey.
- Don’t crowd the slow cooker. If you’re doubling the recipe, use a larger cooker or cook in batches.
Recipe Variations
- Loaded Baked Potato Style: Add extra cheddar, sour cream, bacon, and chives on top. Finish with a sprinkle of black pepper.
- Broccoli Cheddar Twist: Stir in steamed, chopped broccoli and an extra cup of cheddar at the end.
- Lighter Version: Use low-sodium broth, 1% milk, and Greek yogurt instead of sour cream. Skip the bacon or use turkey bacon.
- Smoky Ham: Fold in diced cooked ham and a pinch of smoked paprika.
Great for using leftovers.
- Vegetarian: Use vegetable broth and skip the bacon. Add sautéed mushrooms for savory depth.
- Gluten-Free: Omit the flour and thicken by mashing more potatoes or adding a cornstarch slurry.
- Extra-Rich: Swap part of the milk for half-and-half and stir in 2 ounces of cream cheese.
FAQ’s For Slow Cooker Baked Potato Soup
Can I use red or gold potatoes instead of russets?
Yes. Red and gold potatoes hold their shape better and create a slightly less starchy, silkier soup. If you use them, you may need less thickener or more mashing to reach the same body.
How do I make it without flour?
Just skip the flour and mash more of the potatoes to thicken. You can also use 1 tablespoon of cornstarch mixed with 2 tablespoons of cold milk and stir it in at the end.
When should I add the cheese?
Stir in the cheese after the potatoes are cooked and mashed. Adding it too early can cause grainy texture. Keep a little cheese for topping each bowl.
Can I cook this overnight?
Yes, on Low for about 8 hours works well. Add dairy in the morning, mash, and serve. If your slow cooker runs hot, use a timer plug to avoid overcooking.
What if the soup is too thick?
Whisk in warm milk or broth, a little at a time, until you reach the texture you like. Adjust salt after thinning.
What if it’s too thin?
Mash more potatoes or add a small cornstarch slurry. Let it simmer on High for 10–15 minutes to thicken. Cheese will also help tighten the soup slightly.
Can I make it dairy-free?
Use dairy-free milk (unsweetened almond, oat, or coconut milk) and skip the cheese and sour cream. Add a spoonful of dairy-free yogurt or a splash of canned coconut milk at the end for creaminess.
Is this freezer-friendly?
Yes, if you freeze the base without sour cream and cheese. Reheat, then stir in dairy just before serving for best texture.
Wrapping Up
This Slow Cooker Baked Potato Soup is simple, reliable, and deeply satisfying. It’s the kind of meal that quietly takes care of itself and still delivers big comfort at the table.
Keep the toppings on hand, let everyone customize their bowl, and you’ll have a weeknight winner that tastes like a cozy weekend treat.

Slow Cooker Baked Potato Soup
Ingredients
- Russet potatoes (about 3 pounds), peeled and diced
- Yellow onion, finely chopped
- Garlic, 3–4 cloves, minced
- Chicken or vegetable broth, 4 cups
- Milk, 1 cup (whole or 2%)
- Sour cream, 1/2 cup
- Sharp cheddar cheese, 1 1/2 cups, shredded (plus extra for topping)
- Bacon, 6 slices, cooked and crumbled (optional but recommended)
- Unsalted butter, 2 tablespoons
- All-purpose flour, 2 tablespoons (for thickening, optional)
- Salt and black pepper
- Smoked paprika or paprika, 1/2 teaspoon
- Green onions or chives, sliced, for topping
- Optional add-ins: cream cheese, hot sauce, cooked ham, or steamed broccoli
Instructions
- Prep the potatoes. Peel and dice the russets into 1/2-inch cubes. Smaller pieces cook faster and mash more easily.
- Load the slow cooker. Add potatoes, onion, garlic, broth, paprika, 1 teaspoon salt, and 1/2 teaspoon pepper. Dot with butter.
- Cook low and slow. Cover and cook on Low for 6–8 hours, or on High for 3–4 hours, until the potatoes are very tender.
- Crisp the bacon. While the soup cooks, fry the bacon until crisp. Drain and crumble. Set aside for topping and stirring in.
- Thicken (optional). For a thicker soup, whisk flour with the milk until smooth. Stir the slurry into the slow cooker. Cook 20–30 more minutes on High to thicken.
- Mash to your liking. Use a potato masher to mash some of the potatoes right in the pot. Leave some chunks for texture, or blend briefly with an immersion blender for extra creaminess.
- Finish creamy. Stir in sour cream and 1 cup of the shredded cheddar. Taste and adjust salt and pepper. If you like it richer, add a splash more milk or a few cubes of cream cheese.
- Serve and top. Ladle into bowls. Top with bacon, extra cheddar, and green onions. Add hot sauce if you want a little kick.