Slow Cooker Cajun Potato Soup

Featured in: Creamy Soups & Stews

This dish features tender russet potatoes, fresh vegetables, and aromatic Cajun spices slow-cooked to develop deep flavors. The combination of smoked paprika, thyme, and a touch of cayenne creates a warming, richly seasoned soup. After slow cooking, the potatoes are mashed slightly to add texture, then finished with creamy milk and cream or plant-based alternatives for richness. Garnished with fresh green onions and parsley, this comforting bowl suits vegetarian and vegan preferences when using broth and dairy substitutes.

Updated on Sun, 23 Nov 2025 12:28:00 GMT
Creamy, spiced Slow Cooker Cajun Potato Soup with visible chunks of potato and vibrant vegetables. Save
Creamy, spiced Slow Cooker Cajun Potato Soup with visible chunks of potato and vibrant vegetables. | pumpkinvale.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.

Ingredients

  • Vegetables: 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
  • Liquids: 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)
  • Spices & Seasonings: 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
  • Optional Additions: 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 67 hours or on high for 34 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 2030 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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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. For a vegetarian or vegan version omit sausage or use a plant-based substitute.

Nutritional Information

Calories 285. Total Fat 10 g. Carbohydrates 39 g. Protein 8 g.

A steaming bowl of Slow Cooker Cajun Potato Soup, perfect for a cozy, flavorful dinner tonight. Save
A steaming bowl of Slow Cooker Cajun Potato Soup, perfect for a cozy, flavorful dinner tonight. | pumpkinvale.com

Recipe FAQs

Can I make this dish vegan?

Yes, use vegetable broth and substitute milk and cream with plant-based alternatives for a fully vegan version.

How do I adjust the spice level?

Modify the amount of Cajun seasoning and cayenne pepper to taste for desired heat intensity.

What is the best cooking time in the slow cooker?

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

Can this be prepared ahead of time?

Absolutely, the flavors deepen well when made ahead. Reheat gently and add garnish before serving.

What optional additions work well here?

Corn kernels and sliced smoked sausage enhance texture and flavor, or use vegetarian substitutes as desired.

How should I thicken the dish?

Mash some of the potatoes directly in the pot while leaving some chunks for texture and body.

Slow Cooker Cajun Potato Soup

A comforting blend of Cajun spices, potatoes, and vegetables cooked slowly for rich flavor.

Prep Time
15 minutes
Cook Time
360 minutes
Time Needed
375 minutes
Created by Emma Wallace

Recipe Type Creamy Soups & Stews

Skill Level Easy

Cuisine Type American Cajun

Makes 6 Serving Size

Diet Information None specified

Ingredient List

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

Optional Additions

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

How to Make

Step 01

Combine ingredients: Add potatoes, onion, celery, carrots, bell pepper, garlic, corn (if using), and sausage (if using) to the slow cooker.

Step 02

Add broth and seasonings: Pour in broth and add Cajun seasoning, smoked paprika, thyme, black pepper, cayenne (if using), and salt; stir to combine.

Step 03

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

Step 04

Thicken soup: Mash some potatoes directly in the slow cooker with a potato masher or immersion blender, leaving some chunks for texture.

Step 05

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

Step 06

Adjust seasoning: Taste and adjust salt and spices as needed.

Step 07

Serve: Ladle soup into bowls and garnish with sliced green onions and chopped parsley.

Equipment Needed

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

Allergy Details

Review ingredients for allergens and ask a healthcare expert if unsure.
  • Contains dairy. For dairy-free, substitute with plant-based alternatives.
  • Sausage may contain gluten; verify labels if sensitive.

Nutritional Breakdown (per serving)

Details shown are for general guidance and aren't a medical substitute.
  • Caloric Content: 285
  • Fats: 10 g
  • Carbohydrates: 39 g
  • Proteins: 8 g