Slow Cooker Cajun Potato Soup

Featured in: One-Pot Comforts

This slow cooker dish blends tender russet potatoes, diced vegetables, and vibrant Cajun spices in a soothing broth. The slow cooking process ensures all ingredients meld together, creating a creamy, hearty texture with just the right balance of heat and seasoning. Optional garnishes such as green onions and parsley add freshness, while dairy or plant-based creams lend richness. Perfect for low-effort, flavorful meals on busy days.

Updated on Sun, 23 Nov 2025 08:21:00 GMT
Creamy Slow Cooker Cajun Potato Soup with vibrant vegetables, ready for a cozy weeknight. Save
Creamy Slow Cooker Cajun Potato Soup with vibrant vegetables, ready for a cozy weeknight. | kookycrunch.com

A hearty, flavorful soup featuring tender potatoes, vegetables, and Cajun spices, all simmered to perfection in a slow cooker. Perfect for a comforting weeknight meal.

This cozy soup has become a favorite in my family, bringing warmth and spice to our dinner table any night of the week.

Ingredients

  • 1.5 lbs (700 g) russet potatoes: peeled and diced
  • 1 medium yellow onion: diced
  • 2 celery stalks: diced
  • 2 medium carrots: diced
  • 1 red bell pepper: diced
  • 3 cloves garlic: minced
  • 4 cups (1 L) low-sodium chicken or vegetable broth:
  • 1 cup (240 ml) whole milk: or unsweetened plant-based milk for vegan option
  • 1/2 cup (120 ml) heavy cream: or coconut cream for dairy-free
  • 2 tsp Cajun seasoning: store-bought or homemade
  • 1/2 tsp smoked paprika:
  • 1/2 tsp dried thyme:
  • 1/4 tsp black pepper:
  • 1/4 tsp cayenne pepper: optional for extra heat
  • 1 tsp salt: or to taste
  • 1 cup (150 g) corn kernels: fresh or frozen
  • 1 cup (125 g) cooked andouille sausage or smoked sausage: sliced omit for vegetarian
  • 2 green onions: sliced for garnish
  • Chopped fresh parsley: for garnish

Instructions

Step 1:
Add the potatoes, onion, celery, carrots, bell pepper, garlic, corn (if using), and sausage (if using) to the slow cooker.
Step 2:
Pour in the broth and add the Cajun seasoning, smoked paprika, dried thyme, black pepper, cayenne (if using), and salt. Stir to combine.
Step 3:
Cover and cook on low for 6&7 hours or on high for 3&4 hours until potatoes and vegetables are tender.
Step 4:
Using a potato masher or immersion blender, mash some of the potatoes directly in the slow cooker to thicken the soup, leaving some chunks for texture.
Step 5:
Stir in the milk and cream, then cook uncovered on high for an additional 20&30 minutes until heated through.
Step 6:
Taste and adjust seasoning as needed.
Step 7:
Serve hot, garnished with green onions and parsley.
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This recipe always sparks joy at family gatherings, where everyone agrees it's comfort food at its best.

Required Tools

Slow cooker (crockpot), chefs knife, cutting board, potato masher or immersion blender, ladle

Allergen Information

Contains dairy (milk, cream) for dairy-free use plant-based alternatives. Contains possible gluten if sausage is not gluten-free check labels.

Nutritional Information

Calories 285 Total Fat 10 g Carbohydrates 39 g Protein 8 g per serving

Garnished Slow Cooker Cajun Potato Soup with green onions, offering a warm and savory aroma. Save
Garnished Slow Cooker Cajun Potato Soup with green onions, offering a warm and savory aroma. | kookycrunch.com

Enjoy this comforting soup that warms both your body and soul with every spoonful.

Recipe FAQ

What are the key spices used?

Cajun seasoning, smoked paprika, dried thyme, black and cayenne pepper create a bold, balanced flavor.

Can this dish be made vegan?

Yes, substitute vegetable broth and use plant-based milk and cream alternatives to avoid animal products.

How to achieve perfect potato texture?

Cook until potatoes are tender but not falling apart, then mash some gently to thicken while leaving chunks for texture.

What optional ingredients enhance flavor?

Adding corn kernels and smoked or andouille sausage can enrich the flavor and texture, while garnishes add freshness.

How long should it cook in slow cooker?

Cook on low for 6–7 hours or on high for 3–4 hours until vegetables and potatoes are tender.

Slow Cooker Cajun Potato Soup

A flavorful blend of potatoes, vegetables, and Cajun spices slow cooked for rich taste.

Prep duration
15 min
Cook duration
360 min
Complete duration
375 min
Created by Jake Peterson


Skill level Easy

Heritage American

Output 6 Portions

Diet considerations None specified

Components

Vegetables

01 1.5 lbs russet potatoes, peeled and diced
02 1 medium yellow onion, diced
03 2 celery stalks, diced
04 2 medium carrots, diced
05 1 red bell pepper, diced
06 3 cloves garlic, minced

Liquids

01 4 cups low-sodium chicken or vegetable broth
02 1 cup whole milk or unsweetened plant-based milk
03 1/2 cup heavy cream or coconut cream

Spices & Seasonings

01 2 tsp Cajun seasoning
02 1/2 tsp smoked paprika
03 1/2 tsp dried thyme
04 1/4 tsp black pepper
05 1/4 tsp cayenne pepper (optional)
06 1 tsp salt, or to taste

Optional Additions

01 1 cup corn kernels, fresh or frozen
02 1 cup cooked andouille or smoked sausage, sliced
03 2 green onions, sliced, for garnish
04 Chopped fresh parsley, for garnish

Directions

Phase 01

Combine Ingredients: Place potatoes, onion, celery, carrots, bell pepper, garlic, corn (if using), and sausage (if using) in the slow cooker.

Phase 02

Add Liquids and Seasonings: Pour in broth, then add Cajun seasoning, smoked paprika, thyme, black pepper, cayenne pepper (if using), and salt. Stir well to blend.

Phase 03

Cook: Cover and cook on low for 6 to 7 hours or on high for 3 to 4 hours, until potatoes and vegetables are tender.

Phase 04

Thicken Soup: Use a potato masher or immersion blender to mash some potatoes in the cooker, leaving chunks for texture.

Phase 05

Finish with Dairy: Stir in milk and cream, then cook uncovered on high for 20 to 30 minutes until heated through.

Phase 06

Season and Serve: Taste and adjust seasoning as needed. Serve hot garnished with green onions and parsley.

Necessary tools

  • Slow cooker (crockpot)
  • Chef's knife
  • Cutting board
  • Potato masher or immersion blender
  • Ladle

Allergy details

Review each component carefully for potential allergens and consult with healthcare professionals if you're uncertain about any ingredient.
  • Contains dairy (milk, cream); substitute plant-based alternatives for dairy-free version.
  • May contain gluten depending on sausage; verify labels for gluten-free options.

Nutrient breakdown (per portion)

These values are estimates only and shouldn't replace professional medical guidance.
  • Energy: 285
  • Fats: 10 g
  • Carbohydrates: 39 g
  • Proteins: 8 g