Cajun Potato Soup

Ingredients for Cajun Potato Soup

Every ingredient in this soup earns its place, and I have made this enough times to know what really matters. I always start with a good quality andouille sausage for that deep, smoky base that gives this recipe its bold character.

• 1 tbsp vegetable oil
• 1 ring (13.5 oz) andouille sausage (sliced into 1/4-inch rounds) – I recommend Aidells or Johnsonville for the best smoky flavor
• 1 large onion (diced, about 1 cup)
• 1/2 cup diced celery (about 1 rib)
• 1/2 red bell pepper (seeded and diced)
• 2 tsp garlic (minced)
• 1 tsp Cajun seasoning – my preference is Tony Chachere’s for an authentic Louisiana flavor
• 1/2 tsp kosher salt
• 1/2 tsp black pepper
• 1/2 tsp paprika
• 1/4 tsp cayenne pepper – pro tip: start with less and taste as you go; you can always add more heat but you cannot take it away
• 4 cups chicken broth
• 4 large russet potatoes (peeled and cubed)
• 1/2 cup heavy whipping cream – in my experience, full-fat heavy cream gives you the richest, silkiest finish
• 1 cup mild cheddar cheese (shredded, about 4 oz) – I usually shred my own block cheddar since pre-shredded cheese has coating that can make the soup grainy

Step-by-Step Instructions

I recommend reading through all the steps before you start. Having the sausage browned and set aside before starting the vegetables makes everything flow without any rushing.

Step 1: Heat 1 tablespoon of vegetable oil in a large pot over medium heat. Once the oil is shimmering, add the sliced andouille sausage in a single layer. Cook, stirring occasionally, until nicely browned on both sides, about 3 to 4 minutes. Remove the sausage and set aside. Do not wipe the pot clean as those browned bits on the bottom add real depth of flavor to the soup.

Step 2: In the same pot over medium heat, add the diced onion, celery, and red bell pepper. Cook, stirring occasionally, until the vegetables are softened and the onion turns translucent, about 5 to 8 minutes. Add the minced garlic and cook for 1 more minute until fragrant.

Step 3: Add the Cajun seasoning, salt, black pepper, paprika, and cayenne pepper. Stir to coat the vegetables evenly in the spices. Pour in the chicken broth and add the cubed potatoes. Bring to a gentle simmer, then reduce heat to medium-low. Cook uncovered for 20 to 25 minutes, or until the potatoes are completely fork-tender. They should slide off a fork with no resistance.

Step 4: Return the browned sausage to the pot. Stir in the heavy cream and shredded cheddar cheese. Reduce heat to low before adding the cheese to prevent curdling. Let the soup simmer gently for 5 more minutes, stirring occasionally, until the cheese is fully melted and the broth is creamy. If the cheese is not melting smoothly, a small cornstarch slurry stirred in at this stage will help bind everything together.

Step 5: Ladle into bowls and garnish with chopped fresh parsley. Serve warm.

Best Sides to Serve with Cajun Potato Soup

This soup is bold and hearty on its own, but the right side dish takes the whole meal to another level. I like to balance the richness of the creamy broth with something that adds texture or freshness alongside.

Crusty Bread or Cornbread: A thick slice of crusty sourdough or a square of buttery cornbread is the classic pairing here. It is perfect for scooping up every last drop of that smoky, cheesy broth.

Cheesy Ranch Potatoes and Smoked Sausage: If you love the smoky sausage and potato combination in this soup, this one-pan skillet takes those same flavors in a completely different direction. It makes a great companion dish when you are feeding a larger crowd.

One Pot Creamy Cajun Sausage Pasta: Love Cajun flavors? This easy pasta uses similar bold spices and sausage and rounds out the meal beautifully when you want something a little more filling on the table.

Creamy Cajun Chicken Pasta: Another bold Cajun-flavored dish that pairs naturally with this soup. Serve it alongside for a full Cajun-themed dinner night your family will talk about.

Marry Me Chicken Soup: If you are on a soup night roll and want a second bowl option for guests with different spice preferences, this creamy chicken soup is a crowd-pleasing one-pot recipe that works side by side with the Cajun Potato Soup.

Hearty Cheddar Garlic Herb Potato Soup: A milder potato soup that works wonderfully when you are feeding a mixed group and want a gentler option next to the spicier Cajun version.

Autumn Wild Rice Soup: This warm, earthy soup pairs beautifully as a starter or lighter companion dish on cold evenings when you want variety on the table without a lot of extra work.

Simple Green Salad: A crisp salad with romaine, cherry tomatoes, and a light lime vinaigrette cuts through the richness of the cream and cheese and adds a fresh, clean contrast to every bite.

How to Store and Reheat Cajun Potato Soup

Let the soup cool to room temperature before transferring it to an airtight container. Store in the refrigerator for up to 3 to 4 days. The flavors deepen overnight so leftovers genuinely taste even better the next day.

To reheat, warm on the stovetop over medium heat, stirring gently until heated through. The microwave works too in a pinch. If the soup has thickened overnight, stir in a small splash of chicken broth to loosen it back up before serving.

Pro tip: if you plan to freeze this soup, hold off on adding the cream and cheese until after you reheat it. Dairy separates when frozen and the texture suffers. Store the base in freezer-safe containers for up to 2 to 3 months, thaw overnight in the refrigerator, then stir in fresh cream and shredded cheese when reheating on the stovetop.

FAQs

Cajun Potato Soup

A spicy, creamy, and deeply comforting soup made with andouille sausage, russet potatoes, vegetables, and a bold Cajun spice blend, finished with heavy cream and melted cheddar cheese.

Print Recipe Pin Recipe

Prep Time 20 minutes mins

Cook Time 45 minutes mins

Total Time 1 hour hr 5 minutes mins

Servings: 6 portions

Course: Dinner, Main Course, Soup

Cuisine: American, Cajun

Calories: 490

Ingredients Equipment Method Notes

Ingredients

  

• 1 tbsp vegetable oil
• 13.5 oz andouille sausage 1 ring, sliced into 1/4-inch rounds
• 1 large onion diced, about 1 cup
• 1/2 cup celery diced, about 1 rib
• 1/2 red bell pepper seeded and diced
• 2 tsp garlic minced
• 1 tsp Cajun seasoning
• 1/2 tsp kosher salt
• 1/2 tsp black pepper
• 1/2 tsp paprika
• 1/4 tsp cayenne pepper reduce for milder heat
• 4 cups chicken broth
• 4 large russet potatoes peeled and cubed
• 1/2 cup heavy whipping cream
• 1 cup mild cheddar cheese shredded from block, about 4 oz
• fresh parsley chopped, for garnish

Equipment

• Large pot
• Ladle

Method

 

1. Heat vegetable oil in a large pot over medium heat. Add sliced andouille sausage and cook, stirring occasionally, until browned on both sides, about 3 to 4 minutes. Remove sausage and set aside. Do not wipe the pot.
2. In the same pot over medium heat, add diced onion, celery, and red bell pepper. Cook until softened and onion is translucent, about 5 to 8 minutes. Add minced garlic and cook for 1 more minute until fragrant.
3. Add Cajun seasoning, salt, black pepper, paprika, and cayenne pepper. Stir to coat the vegetables. Pour in chicken broth and add cubed potatoes. Bring to a gentle simmer, reduce heat to medium-low, and cook uncovered for 20 to 25 minutes until potatoes are fork-tender.
4. Return browned sausage to the pot. Reduce heat to low. Stir in heavy cream and shredded cheddar cheese. Simmer gently for 5 more minutes, stirring occasionally, until cheese is fully melted and the soup is creamy and smooth.
5. Ladle into bowls, garnish with chopped fresh parsley, and serve warm.

Notes

For milder heat, reduce or omit the cayenne pepper. Always shred cheese from a block for smoother melting. If freezing, store the base without cream and cheese and add them fresh when reheating. Kielbasa or smoked bratwurst can replace andouille. Store leftovers in the fridge for up to 3 to 4 days.