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Dinner / Slow Cooker Potato Leek Soup Recipe

Slow Cooker Potato Leek Soup Recipe

January 15, 2026 By Sarah DuRoss

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Potatoes and leeks come together in this Slow Cooker Potato Leek Soup Recipe to create a creamy, comforting dish perfect for any occasion. This soup is not only easy to make but also rich in flavor, making it a fantastic option for family dinners, cozy gatherings, or meal prep. With its delightful blend of ingredients, you’ll find yourself coming back to this recipe time and again.

Why You’ll Love This Recipe

  • Simple Preparation: Just toss the ingredients in the slow cooker and let it do the work for you.
  • Comforting Flavor: The combination of potatoes and leeks creates a rich and creamy soup that warms the soul.
  • Versatile Dish: Perfect as a starter, main course, or even paired with crusty bread for a complete meal.
  • Healthy Ingredients: Made with wholesome vegetables and chicken broth, it’s a nutritious choice for any diet.
  • Meal Prep Friendly: Make a large batch and enjoy leftovers throughout the week.

Tools and Preparation

Before diving into the cooking process, gather your essential tools. Having everything ready will streamline your experience in the kitchen.

Essential Tools and Equipment

  • Slow cooker
  • Large skillet
  • Knife
  • Cutting board
  • Immersion blender (or food processor/blender)

Importance of Each Tool

  • Slow cooker: This tool allows for hands-off cooking, making it easy to prepare meals while you go about your day.
  • Large skillet: Perfect for sautéing leeks and garlic before adding them to the slow cooker, enhancing their flavors.
  • Immersion blender: Ideal for quickly blending the soup to your desired consistency without transferring it to another container.
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Ingredients

To create this delicious Slow Cooker Potato Leek Soup Recipe, gather the following ingredients:

For the Soup Base

  • 2 large leeks (sliced)
  • 3 Tbsp. salted butter
  • 2 cloves garlic (minced)
  • 3 lbs. yukon gold potatoes
  • 7 cups chicken broth
  • 2 bay leaves
  • 3 sprigs fresh thyme (or 1 tsp. dried leaf thyme (not ground))
  • 1 1/2 tsp. salt
  • 1/2 tsp. black pepper

For Creaminess

  • 1 1/2 cups heavy cream

For Garnish

  • fresh chives (chopped)

How to Make Slow Cooker Potato Leek Soup Recipe

Step 1: Sauté the Leeks and Garlic

  1. Slice the leeks, discarding the thick green pieces that are at the ends.
  2. In a large skillet, add butter and minced garlic over medium-high heat until the leeks are softened.

Step 2: Combine Ingredients in Slow Cooker

  1. Add sautéed leeks and garlic to the crock pot.
  2. Peel (if preferred) and chop yukon gold potatoes; add them to the slow cooker along with bay leaves, thyme, salt, and pepper.

Step 3: Add Broth and Cook

  1. Pour in chicken broth.
  2. Close the lid of your slow cooker.
  3. Cook on high for 5 hours or low for 8 hours until potatoes are tender.

Step 4: Blend the Soup

  1. Once cooked, remove thyme sprigs (if using fresh) and bay leaves.
  2. Use an immersion blender to blend until smooth but avoid over-blending; leave some texture if desired.

Step 5: Finish with Cream

  1. Stir in heavy cream.
  2. Blend again lightly if needed; taste and adjust seasoning if necessary.
  3. Serve hot topped with chopped chives for garnish alongside crusty bread.

Enjoy this creamy bowl of goodness that is not only comforting but also simple to prepare!

How to Serve Slow Cooker Potato Leek Soup Recipe

Serving Slow Cooker Potato Leek Soup is easy and delightful. This creamy soup pairs well with various sides and garnishes that can elevate the dining experience. Here are some suggestions to enhance your meal.

With Crusty Bread

  • Freshly baked baguette or sourdough is perfect for dipping into the soup, adding a satisfying crunch.

Topped with Croutons

  • Homemade or store-bought croutons add a delightful texture. Consider using garlic-flavored croutons for extra flavor.

Garnished with Fresh Herbs

  • Chopped fresh chives or parsley can brighten the dish, adding a fresh taste and visual appeal.

Served with a Side Salad

  • A light garden salad with vinaigrette complements the richness of the soup, balancing flavors perfectly.

Accompanied by Cheese

  • A side of aged cheddar or Gruyère cheese provides a savory contrast to the creamy soup.

With a Dash of Hot Sauce

  • For those who enjoy a bit of heat, adding a few drops of your favorite hot sauce can spice things up.

How to Perfect Slow Cooker Potato Leek Soup Recipe

To ensure your Slow Cooker Potato Leek Soup turns out perfectly every time, consider these handy tips.

  • Use fresh ingredients: Fresh leeks and potatoes will enhance the flavor and texture of your soup.
  • Adjust seasoning: Taste the soup before serving and adjust salt and pepper as needed for your preference.
  • Blend carefully: When blending, avoid over-blending. Aim for a creamy consistency while retaining some texture.
  • Experiment with herbs: Feel free to try different herbs like rosemary or dill to find your favorite flavor combination.

Best Side Dishes for Slow Cooker Potato Leek Soup Recipe

Pairing side dishes with your Slow Cooker Potato Leek Soup can enhance your meal experience. Here are some great options to consider:

  1. Cheese Toasts: Simple to prepare, just toast bread topped with cheese until bubbly and golden.
  2. Roasted Vegetables: Seasonal veggies like carrots or Brussels sprouts roasted until tender provide color and nutrition.
  3. Stuffed Peppers: Bell peppers filled with rice, beans, and spices can add a hearty touch alongside the soup.
  4. Quinoa Salad: A light quinoa salad mixed with vegetables offers a refreshing contrast in flavors and textures.
  5. Garlic Parmesan Knots: These soft bread knots brushed with garlic butter are irresistible when served warm.
  6. Baked Potatoes: Simple baked potatoes topped with sour cream or chives can complement the creamy soup nicely.

Common Mistakes to Avoid

When making the Slow Cooker Potato Leek Soup Recipe, it’s easy to make some common errors. Here are a few to watch out for:

  • Skipping the leeks cleaning: Always wash leeks thoroughly to remove any dirt trapped between the layers. A quick rinse under water can save you from gritty soup.
  • Overcooking potatoes: Ensure you check the potatoes towards the end of cooking. Overcooked potatoes can turn mushy and affect the texture of your soup.
  • Using low-quality broth: A good quality chicken broth makes a significant difference in flavor. Choose a broth that is rich and flavorful for the best results.
  • Blending too much: When blending, stop when the soup is still slightly chunky. This keeps some texture and prevents it from becoming too smooth.
  • Neglecting garnishes: Garnishes like chives add freshness and contrast to the creamy soup. Don’t skip this step for an appealing presentation.

Storage & Reheating Instructions

Refrigerator Storage

  • Store in an airtight container.
  • The soup can be kept in the fridge for up to 4 days.

Freezing Slow Cooker Potato Leek Soup Recipe

  • Use freezer-safe containers or bags.
  • The soup can be frozen for up to 3 months.

Reheating Slow Cooker Potato Leek Soup Recipe

  • Oven: Preheat oven to 350°F (175°C) and place soup in an oven-safe dish covered with foil until heated through.
  • Microwave: Heat in microwave-safe bowls, stirring every minute until hot.
  • Stovetop: Gently reheat over low heat in a pot, stirring frequently to avoid sticking.

Frequently Asked Questions

Here are some common questions about the Slow Cooker Potato Leek Soup Recipe:

Can I use other types of potatoes?

Yes! You can substitute Yukon Gold potatoes with Russet or red potatoes, but they may alter the texture and taste slightly.

How do I make this recipe vegan-friendly?

To make a vegan version, replace heavy cream with coconut cream or cashew cream and use vegetable broth instead of chicken broth.

What herbs pair well with potato leek soup?

Thyme is a classic choice; however, dill or parsley can also enhance the flavor profile of your soup.

How long does it take to cook on high vs. low?

Cooking on high takes about 5 hours while cooking on low requires around 8 hours for tender potatoes.

Final Thoughts

This Slow Cooker Potato Leek Soup Recipe is not only delicious but also versatile. With its creamy texture and rich flavors, it’s perfect as a comforting meal any time of year. Feel free to customize it by adding ingredients like spinach or carrots for added nutrition!

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Slow Cooker Potato Leek Soup

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Indulge in the creamy goodness of this Slow Cooker Potato Leek Soup Recipe, a comforting dish perfect for any occasion. The rich flavors of tender Yukon Gold potatoes and sweet leeks are beautifully melded together in a hearty broth, creating a satisfying soup that warms the soul. This recipe is not only easy to prepare but also versatile, making it an ideal choice for family dinners, meal prep, or cozy gatherings. Simply toss your ingredients into the slow cooker and let it do the work while you enjoy your day. With its wholesome ingredients and delightful taste, you’ll find yourself returning to this recipe time and again.

  • Total Time: 0 hours
  • Yield: Serves approximately 6

Ingredients

Scale
  • 2 large leeks (sliced)
  • 3 Tbsp. salted butter
  • 2 cloves garlic (minced)
  • 3 lbs. Yukon Gold potatoes
  • 7 cups chicken broth
  • 2 bay leaves
  • 3 sprigs fresh thyme (or 1 tsp. dried leaf thyme)
  • 1 1/2 tsp. salt
  • 1/2 tsp. black pepper
  • 1 1/2 cups heavy cream
  • fresh chives (for garnish)

Instructions

  1. Sauté sliced leeks and minced garlic in butter until softened.
  2. Add sautéed mixture to the slow cooker with chopped potatoes, bay leaves, thyme, salt, and pepper.
  3. Pour in chicken broth, cover, and cook on high for 5 hours or low for 8 hours until potatoes are tender.
  4. Remove bay leaves and thyme sprigs; blend soup until smooth with an immersion blender.
  5. Stir in heavy cream, adjust seasoning if needed, and serve hot with chopped chives.
  • Author: Sarah DuRoss
  • Prep Time: 15 minutes
  • Cook Time: 5 hours (high) or 8 hours (low)
  • Category: Soup
  • Method: Slow Cooking
  • Cuisine: American

Nutrition

  • Serving Size: 1 serving
  • Calories: 290
  • Sugar: 3g
  • Sodium: 610mg
  • Fat: 20g
  • Saturated Fat: 12g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 24g
  • Fiber: 4g
  • Protein: 4g
  • Cholesterol: 70mg

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