Slow Cooker Cajun Potato Soup is everything you want in a comforting dish—hearty, creamy, and packed with bold Southern flavor. With minimal prep and a handful of simple ingredients, this soup simmers to perfection in your slow cooker while you go about your day. Cajun spices and velvety potatoes come together to create a rich, smoky bowl that’s both nourishing and soul-warming.
Why You’ll Love This Recipe
- Dump-and-go convenience—perfect for busy schedules
- Bold Cajun flavor without being overly spicy
- Customizable texture—smooth, chunky, or somewhere in between
- Creamy without fuss—uses starchy potatoes, cream, and butter
- Feeds a family with leftovers that taste even better the next day
Ingredients
- 6 cups peeled and diced potatoes (Russet or Yukon Gold)
- 1 small onion, chopped
- 3 cloves garlic, minced
- 1 bell pepper, chopped (any color)
- 2 celery stalks, diced
- 1 tsp smoked paprika
- 1 tsp Cajun seasoning (or more to taste)
- ½ tsp dried thyme
- Salt and black pepper, to taste
- ¼ tsp cayenne pepper (optional)
- 4 cups chicken or vegetable broth
- 1 cup heavy cream or half-and-half
- 1 tbsp butter
- ½ cup shredded cheddar cheese (optional)
- ¼ cup chopped green onions (for garnish)
Instructions
- Add Ingredients to Slow Cooker
Place potatoes, onion, garlic, bell pepper, celery, paprika, Cajun seasoning, thyme, salt, pepper, and broth into your slow cooker. - Cook Low and Slow
Cover and cook on low for 6–7 hours or high for 3–4 hours, until the potatoes are fork-tender. - Mash and Blend
Use a potato masher or immersion blender to mash some of the potatoes for a thicker texture. Leave some chunks if desired. - Finish with Cream and Butter
Stir in heavy cream, butter, and cayenne pepper. Let cook on high for another 15–20 minutes, until heated through. - Serve and Garnish
Ladle into bowls and top with shredded cheese and green onions. Serve hot with crusty bread or cornbread.
Recipe Details
- Prep Time: 15 minutes
- Cook Time: 6–7 hours (low) or 3–4 hours (high)
- Total Time: 6 hr 15 min or 3 hr 15 min
- Servings: 6
- Difficulty: Easy
- Method: Slow Cooker
- Cuisine: Cajun-Inspired
Nutrition Facts (Per Serving – Approximate)
- Calories: 320
- Fat: 14g
- Saturated Fat: 7g
- Carbohydrates: 38g
- Fiber: 4g
- Protein: 6g
- Sodium: 600mg
Tips & Variations
- Make it spicier: Add hot sauce, jalapeños, or extra cayenne
- Add protein: Stir in cooked sausage, chicken, or shrimp
- Go dairy-free: Use coconut milk and plant-based butter
- More veggies: Add corn, carrots, or chopped kale
- Make it extra creamy: Blend all of the soup or add extra cream and cheese
FAQs
What kind of potatoes work best?
Russets give a fluffy, creamy texture. Yukon Golds are buttery and smooth. You can even mix both.
Can I make it vegetarian?
Yes! Use vegetable broth and skip any meat-based additions or toppings.
How long does it keep?
Refrigerate for up to 5 days. Freeze for up to 3 months—just leave out the cream until reheating.
Do I have to blend it?
Not at all. Mash lightly for a chunky texture or fully blend for a silky finish.

Slow Cooker Cajun Potato Soup
Equipment
- – Slow Cooker
- – Potato masher or immersion blender
- Ladle
Ingredients
- – 6 cups peeled and diced potatoes
- – 1 small onion chopped
- – 3 cloves garlic minced
- – 1 bell pepper chopped
- – 2 celery stalks diced
- – 1 tsp smoked paprika
- – 1 tsp Cajun seasoning
- – ½ tsp dried thyme
- – Salt and pepper to taste
- – ¼ tsp cayenne pepper optional
- – 4 cups chicken or vegetable broth
- – 1 cup heavy cream or half-and-half
- – 1 tbsp butter
- – ½ cup shredded cheddar cheese optional
- – ¼ cup chopped green onions
Instructions
- Add potatoes, onion, garlic, bell pepper, celery, and spices to slow cooker.
- Pour in broth and stir.
- Cook on low 6–7 hours or high 3–4 hours, until potatoes are soft.
- Mash some potatoes or blend partially for desired texture.
- Stir in cream, butter, and cayenne. Heat for 15–20 minutes.
- Serve hot with cheese and green onions on top.
Notes
– Substitute cream with coconut milk for dairy-free version
– Adjust spice level to taste
– Freeze before adding cream if storing long-term
Conclusion
Slow Cooker Cajun Potato Soup brings together rustic Southern ingredients and slow-simmered comfort in one effortless dish. Whether you’re craving something spicy, creamy, or just downright cozy, this recipe hits the spot every time. Toss the ingredients in the pot, let the flavors develop all day, and come home to a satisfying meal that feels like a warm hug in a bowl.