Slow Cooker Cajun Soup

Featured in: One-Pot Family Meals

This slow-cooked Cajun soup blends tender russet potatoes with a medley of vegetables including onions, celery, and bell pepper, enhanced by a robust blend of Cajun seasonings and smoked paprika. Slowly simmered to develop rich flavors, it’s finished with creamy milk and cream for a velvety texture. This dish offers comforting warmth with optional additions like sausage or corn, garnished with fresh green onions and parsley for a fresh touch.

Ideal for easy weeknight meals, the soup can be adapted with plant-based ingredients for vegetarian or vegan preferences. The harmonious mix of spices and creamy elements creates a deeply satisfying experience that’s both filling and flavorful.

Updated on Sun, 23 Nov 2025 14:30:00 GMT
Creamy Slow Cooker Cajun Potato Soup with vibrant vegetables, perfect for a cozy dinner. Save
Creamy Slow Cooker Cajun Potato Soup with vibrant vegetables, perfect for a cozy dinner. | forkta.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 slow cooker Cajun potato soup has become a family favorite for chilly evenings, offering both warmth and rich taste with minimal effort.

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 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.
A steaming bowl of Slow Cooker Cajun Potato Soup, garnished with green onions and parsley. Save
A steaming bowl of Slow Cooker Cajun Potato Soup, garnished with green onions and parsley. | forkta.com

This recipe has brought many cozy family dinners filled with laughter and warmth around the table.

Notes

For a vegan version, use vegetable broth and substitute dairy with plant-based alternatives. Add cooked shrimp or chicken for more protein. Serve with crusty bread for a complete meal. Adjust Cajun seasoning for desired spice level.

Required Tools

Slow cooker (crockpot), chef's 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 vegetarian or vegan version omit sausage or use a plant-based substitute.

Thick and flavorful, this Slow Cooker Cajun Potato Soup simmers with Cajun spices, ready to enjoy. Save
Thick and flavorful, this Slow Cooker Cajun Potato Soup simmers with Cajun spices, ready to enjoy. | forkta.com

Enjoy the rich flavors of this soup any night of the week with minimal prep and maximum comfort.

Recipe FAQs

Can I make this soup vegetarian or vegan?

Yes, substituting chicken broth with vegetable broth and using plant-based milk and cream alternatives makes it suitable for vegetarian or vegan diets.

What is the best way to thicken the soup?

Mashing some of the cooked potatoes directly in the cooker creates a naturally creamy texture while maintaining a chunky consistency.

How long does the slow cooker take to prepare this soup?

Cooking on low heat requires about 6–7 hours, while high heat speeds it up to 3–4 hours for tender vegetables and potatoes.

Can I add meat or seafood to this dish?

Yes, cooked andouille or smoked sausage can be added, and shrimp or chicken are great protein additions to enhance flavor.

What spices contribute to the Cajun flavor profile?

Cajun seasoning combined with smoked paprika, thyme, black pepper, and optional cayenne pepper gives the soup its signature spicy and smoky taste.

Slow Cooker Cajun Soup

Slow-cooked soup with potatoes, vegetables, and Cajun spices for a warm, satisfying dish.

Prep Time
15 min
Cook Time
360 min
Total Time
375 min
Created by Mia Parker


Skill Level Easy

Cuisine American Cajun

Makes 6 Portions

Diet Preferences Meat-Free

What You'll Need

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)

How to Make It

Step 01

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

Step 02

Add liquids and seasonings: Pour in broth and stir in Cajun seasoning, smoked paprika, dried thyme, black pepper, cayenne pepper (if used), and salt until evenly mixed.

Step 03

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

Step 04

Thicken the soup: Mash some potatoes in slow cooker with a masher or immersion blender to create a thicker texture, leaving some chunks intact.

Step 05

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

Step 06

Adjust seasoning: Taste soup and adjust seasoning as desired.

Step 07

Serve garnished: Serve hot, topped with sliced green onions and chopped parsley.

Equipment Needed

  • Slow cooker
  • Chef’s knife
  • Cutting board
  • Potato masher or immersion blender
  • Ladle

Allergy Details

Check every item for allergens, and check with your doctor if you’re unsure.
  • Contains dairy; substitute with plant-based alternatives for dairy-free.
  • Sausage may contain gluten; verify packaging if gluten-free is required.

Nutrition Per Serving

For informational purposes; please consult your healthcare professional.
  • Calories: 285
  • Total Fat: 10 g
  • Carbohydrates: 39 g
  • Protein: 8 g