Slow Cooker Cajun Soup

Featured in: One-Pot Comfort Dishes

This dish features tender diced potatoes and an assortment of vegetables slowly simmered with vibrant Cajun spices in a slow cooker. The slow cooking process softens the ingredients, melding flavors together perfectly. Cream and milk add richness while optional additions like corn and smoked sausage enhance texture and depth. Garnished with fresh herbs and green onions, it's a warm, hearty dish ideal for cozy dinners. Adjust seasoning to desired spice level and consider plant-based substitutions for a vegan-friendly version.

Updated on Sun, 23 Nov 2025 15:40:00 GMT
A creamy bowl of slow cooker Cajun potato soup, garnished with fresh herbs, is ready to eat. Save
A creamy bowl of slow cooker Cajun potato soup, garnished with fresh herbs, is ready to eat. | sizzlebloom.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 soup has become a staple in my house, especially during colder months when we crave something warm and satisfying.

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

Add ingredients to slow cooker:
Add the potatoes, onion, celery, carrots, bell pepper, garlic, corn (if using), and sausage (if using) to the slow cooker.
Add broth and spices:
Pour in the broth and add the Cajun seasoning, smoked paprika, dried thyme, black pepper, cayenne (if using), and salt. Stir to combine.
Cook:
Cover and cook on low for 6>7 hours or on high for 3>4 hours, until potatoes and vegetables are tender.
Mash potatoes:
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.
Add dairy:
Stir in the milk and cream, then cook uncovered on high for an additional 20>30 minutes, until heated through.
Season to taste:
Taste and adjust seasoning as needed.
Serve:
Serve hot, garnished with green onions and parsley.
Close-up of a steaming bowl of slow cooker Cajun potato soup, perfect for a cozy dinner. Save
Close-up of a steaming bowl of slow cooker Cajun potato soup, perfect for a cozy dinner. | sizzlebloom.com

Making this soup brings my family together, sharing warm bowls and stories on chilly evenings.

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

This flavorful slow cooker Cajun potato soup features tender potatoes and vegetables, ideal for a comforting meal. Save
This flavorful slow cooker Cajun potato soup features tender potatoes and vegetables, ideal for a comforting meal. | sizzlebloom.com

This slow cooker Cajun potato soup is both hearty and easy to prepare, making it perfect for any level cook.

Common Questions

How long should I cook the soup in a slow cooker?

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

Can I make this dish vegan?

Yes, substitute vegetable broth and plant-based milk and cream alternatives, and omit any meat additions.

What are good garnishes to add flavor and color?

Green onions and chopped fresh parsley provide a fresh finish and bright color.

How can I adjust the spiciness of the dish?

Modify the amount of Cajun seasoning and cayenne pepper to suit your preferred heat level.

Is it possible to thicken the soup?

Mash some of the potatoes directly in the slow cooker or use an immersion blender for a thicker texture while leaving some chunks.

Slow Cooker Cajun Soup

Tender potatoes and vegetables simmered with Cajun spices for a warm, flavorful meal.

Setup Duration
15 min
Heat Duration
360 min
Complete Duration
375 min
Created by Emily Dawson

Classification One-Pot Comfort Dishes

Skill Level Easy

Heritage American Cajun

Output 6 Portions

Nutrition Labels None specified

Components

Vegetables

01 1.5 pounds 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
03 2 green onions, sliced (for garnish)
04 Chopped fresh parsley (for garnish)

Method Steps

Phase 01

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

Phase 02

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

Phase 03

Slow Cook the Mixture: 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: Mash some potatoes in the slow cooker using a potato masher or immersion blender, leaving chunks for texture.

Phase 05

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

Phase 06

Adjust Seasoning: Taste and modify seasoning as needed.

Phase 07

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

Kitchen Tools

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

Dietary Alerts

Always review ingredients individually for potential allergens and seek professional medical guidance when uncertain.
  • Contains dairy; substitute plant-based alternatives for dairy-free.
  • May contain gluten if sausage is not gluten-free; verify labels.

Dietary Information (per portion)

Values shown are estimates and shouldn't replace professional medical consultation.
  • Energy Value: 285
  • Fats: 10 g
  • Carbohydrates: 39 g
  • Proteins: 8 g