Slow Cooker Potato Soup Recipe
This crock-pot slow cooker potato soup is the ultimate comfort food, perfect for chilly days. It’s simple and irresistibly delicious and packed with creamy potatoes, fresh herbs, and cheesy goodness. Set it and forget it, and let your home fill with the warm, inviting aroma of a hearty, healthy soup your family will love!
Winter is when my slow cooker becomes my kitchen BFF. The colder months are when I turn to comforting, warm meals that warm the body and soul, and my slow cooker makes it easy. Soups like this creamy potato soup fill my home with cozy vibes and make it feel like a warm hug for my family.
My kids love potato soup – it’s their favorite. The creamy texture and cheesy goodness always put a smile on their faces. For me, the simplicity of this recipe is a lifesaver. With just a few ingredients and the magic of the slow cooker, I can whip up a meal that’s not only warm but also super rewarding to see them enjoy, bowl after bowl. This soup is proof that the simplest recipes are often the most loved.
Why is this the best recipe
- Rich and Creamy Texture: The addition of a homemade roux made with butter, flour, and milk ensures a velvety smooth soup, elevated by Parmesan and Cheddar for indulgent creaminess.
- Flavor-Packed with Herbs: Fresh thyme, rosemary, parsley, and celery leaves infuse the soup with aromatic depth, making every spoonful irresistibly flavorful.
- Effortless Cooking: The slow cooker does all the hard work, blending the flavors over time, so you can set it, forget it, and come back to a perfectly cooked meal.
- Customizable and Comforting: You can adjust the texture, seasoning, and toppings to suit your preferences, whether you love it extra cheesy, chunky, or silky smooth. It’s the ultimate comfort food for any occasion!
Ingredients and substitutes
- Use russet potatoes or Yukon gold Potatoes for a creamy texture. Red potatoes work, too, but will give a slightly chunkier soup. Sweet potatoes are also a flavorful alternative for a twist.
- Fresh Herbs (Thyme, Rosemary, Parsley, Celery Leaves) add depth and aroma. You can also use dried herbs in smaller amounts (about half the quantity). And if you don’t have parsley, try cilantro or chives.
- Low-sodium chicken broth or vegetable broth provides a flavorful base. You can also substitute with water and bouillon cubes if needed, or you can use a dairy-free broth for a vegan version.
- Butter adds richness to the roux. Use margarine or a plant-based butter substitute for a dairy-free option.
- Flour thickens the soup. Also, cornstarch can be a gluten-free alternative (mix with cold water before adding).
- Milk makes the roux creamy. You can also substitute heavy cream for a richer soup or plant-based milk (like almond or oat) for a dairy-free version.
- Parmesan Cheese adds a salty, nutty flavor. You can also use Asiago or Pecorino Romano as substitutes. Nutritional yeast can also be used as a dairy-free option.
- Sharp Cheddar Cheese brings a distinct, sharp, creamy flavor. You can also swap with Colby, Gouda, or Monterey Jack, or use a vegan cheese substitute.
Step-by-step: Slow Cooker Potato Soup Recipe
- Prepare the Base: Add the chopped potatoes, minced garlic, and fresh herbs to your slow cooker. Next, pour in enough broth to cover the ingredients.
- Cook: Slow-cook on low for 5 to 8 hours, or until the potatoes are fork-tender. Remove the herb stalks.
- Make the Roux: In a saucepan, melt the butter over medium heat, stir in the flour, and cook for 1-2 minutes. Then, gradually whisk in the milk to create a smooth, creamy roux.
- Combine: Pour the roux into the slow cooker and stir to combine.
- Add Cheese: Stir in the Parmesan and Cheddar cheese. Add salt and pepper to taste.
- Blend: Use an immersion blender to blend the soup until smooth, or leave some chunks if you prefer a textured soup.
- Serve: Ladle the soup into bowls and garnish with your favorite toppings, such as crispy bacon, green onions, or a dollop of sour cream or Greek yogurt. I served with cheese croutons.
Frequently asked questions
Yes, you can cook soup too long in a slow cooker, especially if it contains dairy, delicate vegetables, or pasta. Overcooking can cause potatoes and vegetables to become mushy and lose their texture, while dairy, like milk or cheese, may curdle if left on the heat for too long. To prevent this, follow the recommended cooking times and switch the slow cooker to the “warm” setting once the soup is done.
No, there’s no need to boil potatoes before slow cooking. The slow cooker will cook them perfectly, making them tender and flavorful as they absorb the broth and seasonings.
The best thickener for potato soup is a roux made with butter, flour, and milk. You can also blend part of the soup for natural thickness or use a slurry of cornstarch and water for a gluten-free option.
If your soup is too thin, blend a portion of it with an immersion blender or stir in a cornstarch slurry (1 tablespoon cornstarch mixed with two tablespoons water). Cooking the soup uncovered for a little longer can also help reduce excess liquid.
Absolutely. Use plant-based butter, almond or oat milk for the roux, and dairy-free cheese or nutritional yeast for flavor.
The roux adds richness, but you can skip it and blend more of the soup for natural thickness. Alternatively, stir in a little cream or cream cheese at the end.
For our family, a side salad or sauteed veggies with some homemade fresh bread on the side makes a complete meal. Try
garlic sesame asparagus, parmesan asparagus, or sesame green beans. Some cheesy baked eggplant slices, lemon rosemary potatoes, or roasted dill potatoes
Slow Cooker Potato Soup
This crockpot slow cooker potato soup is the ultimate comfort food, perfect for chilly days. It's simple, irresistibly delicious, and packed with creamy potatoes, fresh herbs, and cheesy goodness. Set it and forget it, and let your home fill with the warm, inviting aroma of a hearty, healthy soup your family will love!
Video
Ingredients
- 4 large (2 lbs) Chopped Potato
- 1 large Garlic clove sliced
- 2 small Celery leaves (optional)
- 2 sprigs Parsley or cilantro
- 2 sprigs Thyme
- 4 cup (1 ltr) Broth or stock vegetable or chicken
- ½ cup (50 g) Parmesan or similar for vegetarian
- ½ cup (50 g) Cheddar cheese
- ½ tsp Salt to taste
- ½ tsp Pepper to taste
- 3 tbsp (40 g) Butter
- 3 tbsp (25 g) All-Purpose Flour
- 1 cups (500 ml) Whole milk
Method
- Prepare the Base: Add the chopped potatoes, minced garlic, and fresh herbs to your slow cooker. Pour in enough broth to cover the ingredients.4 large Chopped Potato, 1 large Garlic clove, 2 small Celery leaves, 2 sprigs Parsley, 2 sprigs Thyme, 4 cup Broth or stock
- Cook: Slow cook on low for 5 to 8 hours or until the potatoes are tender. Remove the herb stalks.
- Make the Roux: In a saucepan, melt the butter over medium heat, stir in the flour, and cook for 1-2 minutes. Gradually whisk in the milk to create a smooth, creamy roux.3 tbsp Butter, 3 tbsp All-Purpose Flour, 1 cups Whole milk
- Combine: Pour the roux into the slow cooker and stir to combine.
- Add Cheese: Stir in the Parmesan and Cheddar cheese. Add salt and pepper to taste.½ cup Parmesan, ½ cup Cheddar cheese, ½ tsp Salt, ½ tsp Pepper
- Blend: Use an immersion blender to blend the soup until smooth, or leave some chunks if you prefer a textured soup.
- Serve: Ladle the soup into bowls and garnish with your favorite toppings, such as crispy bacon, green onions, or a dollop of sour cream. I served with cheese croutons.
Notes
- Cut Potatoes Evenly: Ensure the potatoes are chopped into even sizes to cook uniformly. Smaller pieces will cook faster and blend smoothly.
- Use Fresh Herbs: Fresh herbs like thyme and rosemary add the best flavor. Tie them in a bundle for easy removal or chop finely for a more rustic texture.
- Low and Slow: Cooking on low for 5–8 hours allows the flavors to meld beautifully. If you’re short on time, use the high setting for 3–4 hours, but the depth of flavor might be less intense.
- Roux Perfection: Cook the roux until it’s smooth and slightly golden before adding milk. This prevents a raw flour taste and ensures a creamy consistency.
- Adjust Thickness: If the soup is too thick, add a splash of broth or milk to reach your desired consistency. Too thin? Blend a portion of the soup or add more cheese.
- Blend with Care: An immersion blender creates a smooth soup, but for a chunkier texture, blend only half the soup or mash with a potato masher.
- Cheese Last: Stir in cheese at the end to prevent curdling and ensure a silky, creamy finish.
- Customize Toppings: Enhance the soup with crispy bacon, green onions, sour cream, or croutons for added flavor and texture.
Equipment you will need
Nutrition
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I love finding new soups to make in the slow cooker and this looks delicious.
Thanks Dannii
Wow! Those herbs in this soup will make it AMAZING! Thanks for sharing such a great recipe!
Thank you, Jeannette
So much flavor in this soup and yet so simple – thank you!
Thank you, Sapana.
Can’t wait to curl up on the couch with a bowl of this savory soup! Looks amazing!
Thanks, Sara. I think you will enjoy this one
This soup looks so creamy! I love that you can just throw everything in the slow cooker to make it. Soo easy! Can’t wait to try this.
Yes, this one is really simple
I’ve been making my grandma’s potato soup recipe for years. It’s soooo good, but also loaded with bacon. The other night, we had some good friends over, one of whom is vegetarian and also mentioned that she loved potatoes. I made this and have to say that none of us missed the bacon! The addition of the béchamel sauce makes this soup so rich and creamy. We couldn’t get enough!
Thanks, Rebecca. Yes, we do not miss the bacon in this soup at all.
I’ve been making my grandma’s potato soup recipe for years. It’s soooo good, but also loaded with bacon. The other night, we had some good friends over, one of whom is vegetarian and also mentioned that she loved potatoes. I made this and have to say that none of us missed the bacon! The addition of the béchamel sauce makes this soup so rich and creamy. We couldn’t get enough!
Thank you, Rebecca. Yes, we do not miss the bacon in this at all too. Appreicate you coming back to write this feedback
This potato soup looks so creamy and delicious! Comfort food at it’s best! Absolutely perfect!!
Thank you, Cathy.
Such a delicious recipe! My whole family loves the flavors in this one!
Thank you, Kim. So happy you enjoyed it
I bought a slow cooker ages ago but haven’t used it much. Gotta try this soup!
Oh this would be perfect in this weather for you to try Julia