Slow Cooker Cajun Potato Soup

Featured in: Smart Weeknight Meals

This Cajun potato soup brings together tender potatoes, vibrant vegetables, and aromatic spices simmered slowly to develop rich flavors. The soup features a blend of smoked paprika, dried thyme, and a touch of cayenne pepper, balanced with creamy milk and cream. Optional additions like corn and sausage add texture and depth. Perfect for a cozy meal, it can be easily adapted with plant-based alternatives for a vegan twist.

The slow cooking method ensures the potatoes and vegetables are perfectly tender, with some mashed to create a creamy base while retaining chunks for texture. Garnishes of green onions and parsley provide a fresh finish. This dish pairs wonderfully with crusty bread and offers flexibility in seasoning to suit your preferred spice level.

Updated on Sun, 23 Nov 2025 15:43:00 GMT
Slow Cooker Cajun Potato Soup, creamy and thick, garnished with green onions, ready to serve. Pin it
Slow Cooker Cajun Potato Soup, creamy and thick, garnished with green onions, ready to serve. | fungeniusrecipe.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.

I first served this slow cooker Cajun potato soup on a chilly evening and it quickly became a family favorite with its creamy texture and spicy kick.

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, with visible chunks of potato and sausage. Pin it
A steaming bowl of Slow Cooker Cajun Potato Soup, with visible chunks of potato and sausage. | fungeniusrecipe.com

This soup often brings my family together on cold nights, sharing stories while enjoying its warm, spicy flavors.

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. Possible gluten if sausage is not gluten-free—check labels. For vegetarian or vegan, omit sausage or use a plant-based substitute.

Nutritional Information

Calories: 285, Total Fat: 10 g, Carbohydrates: 39 g, Protein: 8 g (per serving)

Close-up of the flavorful Slow Cooker Cajun Potato Soup, perfect comfort food for a chilly evening. Pin it
Close-up of the flavorful Slow Cooker Cajun Potato Soup, perfect comfort food for a chilly evening. | fungeniusrecipe.com

This slow cooker Cajun potato soup is sure to become a staple in your home for its ease and rich flavors.

Recipe FAQs

How can I make this dish vegan?

Use vegetable broth instead of chicken broth and substitute milk and cream with unsweetened plant-based options like almond or coconut milk and cream.

Can I add protein to the dish?

Yes, cooked shrimp or chicken can be added for extra protein. Sausage is also an option but can be omitted for vegetarian preferences.

What tools are needed for preparation?

A slow cooker, chef's knife, cutting board, potato masher or immersion blender, and ladle are recommended for easy preparation.

How do I adjust the spice level?

Modify the amount of Cajun seasoning and cayenne pepper according to your preference for mild to extra heat.

Why mash some potatoes and leave others chunky?

Mashing some potatoes thickens the base, creating a creamy texture, while chunks add body and bite to the soup.

Slow Cooker Cajun Potato Soup

Tender potatoes and veggies infused with Cajun spices, cooked slowly for a comforting, flavorful dish.

Prep time
15 minutes
Cook time
360 minutes
Complete time
375 minutes
Created by Fungeniusrecipe Chloe Anderson

Recipe category Smart Weeknight Meals

Skill level Easy

Cuisine type American, Cajun

Portions 6 Number of servings

Dietary details Meatless

What You 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 for vegan option)
03 1/2 cup heavy cream (or coconut cream for dairy-free)

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 vegetables and optional protein: Place potatoes, onion, celery, carrots, bell pepper, garlic, corn (if using), and sausage (if using) into the slow cooker.

Step 02

Add broth and seasonings: Pour in the broth and add Cajun seasoning, smoked paprika, dried thyme, black pepper, cayenne (if using), and salt. Stir thoroughly to blend.

Step 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.

Step 04

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

Step 05

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

Step 06

Adjust seasoning: Taste and modify 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

Don’t forget to check each item for allergens. Talk to a healthcare professional if you’re unsure.
  • Contains dairy unless substituted with plant-based alternatives.
  • Sausage may contain gluten; verify labels if avoiding gluten.

Nutrition (each serving)

These nutrition facts are for reference only. Always consult an expert for medical advice.
  • Calorie count: 285
  • Fat content: 10 g
  • Carbohydrates: 39 g
  • Protein content: 8 g