Experience the ultimate comfort with this creamy, rich potato soup that utilizes your slow cooker to handle all the labor. This hearty dish is simple to assemble and delivers professional-level flavor right in your own kitchen.

List of ingredients

2 stalks celery
2 carrots
1 yellow onion
3 cloves garlic
3 lbs Yukon gold potatoes
1 tsp Italian seasoning
1 1/4 tsp salt
1/2 tsp freshly cracked black pepper
3 cups chicken broth
2 Tbsp all-purpose flour
2 Tbsp water
1/2 cup heavy cream
1/2 cup sour cream
1 cup shredded cheddar cheese
3 green onions

step-by-step instructions

Step: Wash and dice the celery stalks, peel and dice the carrots, dice the onion, and mince the garlic. Wash, peel, and chop the potatoes into ½ – ¾ inch chunks.
Step: Add the potatoes, carrots, celery, onion, and the garlic to a 5 or 6 quart slow cooker. Add the Italian seasoning, salt, and freshly cracked black pepper.
Step: Pour the chicken broth over the vegetables and spices. Stir to distribute. Place the lid on the slow cooker and cook on high for 3 hours.
Step: Make a flour slurry by whisking together the flour and water in a small bowl until smooth.
Step: Once the potatoes are tender, add the slurry, heavy cream, and sour cream to the slow cooker. Stir well, cover, and cook on high for an additional 10 minutes.
Step: During the last 10 minutes, shred the cheddar cheese and slice the green onions.
Step: Remove the lid and use a potato masher to mash the potato chunks into smaller pieces. Add ½ cup of the shredded cheese and half of the sliced green onions. Stir until the cheese has melted.
Step: Taste the soup and adjust seasoning if needed. Garnish individual bowls with the remaining cheese and green onions and serve hot.

Refining your technique

Selecting the right potato variety

Yukon gold potatoes are ideal for this soup because they have a medium starch content. They break down slightly to thicken the soup naturally while still keeping enough structure to provide distinct bites. Russet potatoes can also be used if you prefer a much smoother, starchier consistency.

Achieving the perfect thickness

If you prefer a thicker soup, ensure your flour slurry is completely whisked before adding it to the heat. If the final result is too thin after the ten-minute cook time, you can mash a larger portion of the potatoes with the potato masher to release more starch into the liquid. Avoid adding more raw flour directly to the pot as it will not cook out properly.

Enhancing the broth flavor

Since the broth makes up the volume of the liquid, using a high-quality vegetable stock is critical. Look for concentrated vegetable bases that can be dissolved in water to control the intensity of the flavor. High-quality stock ensures the potatoes absorb rich savory notes rather than tasting purely of water.

Substitutions and adjustments

Replacing dairy for different textures

If you want to reduce the richness, you can swap the heavy cream for half-and-half. For a completely dairy-free approach, substitute the heavy cream with full-fat canned coconut milk and use a plant-based shredded cheese alternative. Keep in mind that coconut milk may impart a slight flavor change, which can be balanced with extra garlic or herbs.

Adding heartiness with extra vegetables

While the base of this soup is simple, you can increase the nutritional profile by adding diced bell peppers or parsnips. These vegetables cook at a similar rate to carrots and celery. Ensure that all added vegetables are cut to a similar size to maintain an even cooking time.

Serving and storage tips

Flavorful side pairings

Serve this potato soup with crusty artisan bread or a warm garlic-rubbed baguette to help soak up the creamy broth. A crisp garden salad with a sharp vinaigrette helps to cut through the richness of the soup. For a more substantial meal, offer a side of roasted cauliflower or a small dish of steamed green beans.

Managing leftovers effectively

Store any leftover soup in a sealed glass container within the refrigerator for up to five days. Glass containers are preferable because they do not absorb the odors of the garlic and onion, and they are easier to clean. Ensure the soup has cooled to room temperature before placing it into the refrigerator to maintain food quality.

Strategies for reheating

When reheating, use the stovetop on low heat to prevent the dairy from curdling. If the soup appears too thick after cooling, whisk in a small splash of vegetable broth to bring it back to the desired consistency. Avoid using high heat or a microwave, as rapid heating can cause the cheese and cream components to separate.

Addressing common concerns

Troubleshooting separated cream

Separation often occurs if the soup is boiled vigorously after the cream is added. Keep the heat setting to a gentle simmer rather than a rolling boil to keep the fats emulsified. If separation occurs, a quick vigorous whisking often brings the texture back together.

Ensuring even potato cooking

Unevenly cut potatoes are the primary cause of some pieces being hard while others are mushy. Take the time to ensure the chunks are roughly the same size during the preparation phase. This ensures that every bite provides the same consistent, soft texture.

Frequently Asked Questions

Can I make this soup ahead of time?

Yes, this recipe is excellent for meal prep. Simply follow the steps through the mashing stage, then let the soup cool completely before refrigerating. The flavors often meld and deepen after resting in the refrigerator for twenty-four hours.

How do I make the soup completely smooth?

If you prefer a velvety, restaurant-style texture, you can use an immersion blender after mashing the potatoes. Pulse the blender carefully until the desired level of smoothness is reached, being careful not to over-process, which can lead to a gummy texture.

Is it necessary to peel the potatoes?

Peeling the potatoes ensures a smooth, uniform appearance in the final bowl. However, if you are using organic potatoes and prefer a rustic look, you can scrub them well and leave the skins on. Keep in mind that potato skins will change the texture of the soup slightly and result in a more earthy flavor profile.

Why does the recipe call for adding cheese at the end?

Adding the cheese after the cooking process prevents it from scorching on the bottom of the slow cooker insert. The residual heat of the soup is more than sufficient to melt the cheese and incorporate it into the base without causing the proteins to tighten or become stringy.

Slow Cooker Potato Soup

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Author: Lora Marie Bennett
Total Time: PT210M
Yield: 6 servings
Diet: Vegetarian-friendly

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Description

This creamy Slow Cooker Potato Soup is rich, comforting and hearty, plus the slow cooker does all the heavy lifting for you!

Ingredients

2 stalks celery
2 carrots
1 yellow onion
3 cloves garlic
3 lbs Yukon gold potatoes
1 tsp Italian seasoning
1 1/4 tsp salt
1/2 tsp freshly cracked black pepper
3 cups chicken broth
2 Tbsp all-purpose flour
2 Tbsp water
1/2 cup heavy cream
1/2 cup sour cream
1 cup shredded cheddar cheese
3 green onions

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Instructions

Step: Wash and dice the celery stalks, peel and dice the carrots, dice the onion, and mince the garlic. Wash, peel, and chop the potatoes into ½ – ¾ inch chunks.
Step: Add the potatoes, carrots, celery, onion, and the garlic to a 5 or 6 quart slow cooker. Add the Italian seasoning, salt, and freshly cracked black pepper.
Step: Pour the chicken broth over the vegetables and spices. Stir to distribute. Place the lid on the slow cooker and cook on high for 3 hours.
Step: Make a flour slurry by whisking together the flour and water in a small bowl until smooth.
Step: Once the potatoes are tender, add the slurry, heavy cream, and sour cream to the slow cooker. Stir well, cover, and cook on high for an additional 10 minutes.
Step: During the last 10 minutes, shred the cheddar cheese and slice the green onions.
Step: Remove the lid and use a potato masher to mash the potato chunks into smaller pieces. Add ½ cup of the shredded cheese and half of the sliced green onions. Stir until the cheese has melted.
Step: Taste the soup and adjust seasoning if needed. Garnish individual bowls with the remaining cheese and green onions and serve hot.

Notes

Use a high-quality chicken broth as it provides the base flavor for the soup. We recommend using a concentrated base for the best results.

Prep Time: PT20M
Cook Time: PT190M
Category: Dinner
Method: Slow Cooker
Cuisine: American

Nutrition

Serving Size: 1.5 cups
Calories: 394 kcal
Sugar: 4 g
Sodium: 1086 mg
Fat: 18 g
Saturated Fat: 9 g
Unsaturated Fat: 7 g
Trans Fat: 0 g
Carbohydrates: 49 g
Fiber: 6 g
Protein: 12 g
Cholesterol: 45 mg