
This creamy and spicy Cajun potato soup delivers ultimate comfort with every spoonful. The hearty potatoes, smoky andouille sausage, and colorful vegetables all soak up bold Cajun flavors, while melted cheddar and rich cream create an irresistibly velvety finish. It is a bowl of warmth perfect for chilly evenings or when you need a touch of Southern zest at dinner.
This recipe first became a family staple after a trip to New Orleans, where I fell in love with the city’s soulful food. Every time I make it, I remember the laughter around our dinner table and how the soup’s warmth brightened even our busiest weeknights.
Ingredients
- Andouille sausage: Smoky and savory taste makes every spoonful hearty Use a high-quality sausage for best flavor and check for gluten free if needed
- Russet potatoes: The creamy base of the soup Choose firm and blemish-free potatoes for easy peeling and cubing
- Onion: Sautéed onion adds sweetness and depth Go for a large, heavy onion that feels firm
- Celery: Lends a mild, fresh flavor Look for bright green stalks with no cracks
- Red bell pepper: Adds color and a subtle sweetness Pick a pepper with shiny skin and no soft spots
- Garlic: The aromatic heart of the soup Always use fresh garlic cloves for the best punch
- Cajun seasoning: Brings spicy zesty flavor Choose a favorite premade blend or mix your own with paprika oregano and cayenne
- Kosher salt: Essential for enhancing all other flavors Opt for a fine grain for easy seasoning control
- Black pepper: A sharp bite to balance the richness Use freshly cracked pepper whenever possible
- Paprika: Gently smokey and earthy Choose a sweet or smoked version based on your taste
- Cayenne pepper: Packs a little heat Adjust to your preferred spice level
- Chicken broth: The savory liquid base Look for a low sodium option to control saltiness or a gluten free broth if needed
- Heavy whipping cream: Makes the soup luxuriously creamy Stick with heavy cream for richness
- Mild cheddar cheese: Melts smoothly to enrich the flavor and texture Always buy a block to shred yourself if possible
- Fresh parsley: Brightens the finished soup Choose flat leaf for its vibrant flavor and color
Step-by-Step Instructions
- Brown the Andouille Sausage:
- Heat vegetable oil in a large pot over medium heat until shimmering Add the sliced andouille sausage Cook the pieces for three to four minutes stirring occasionally until they are lightly browned on both sides Remove the sausage from the pot and set aside for later
- Sauté the Vegetables:
- Using the same pot add diced onion celery and red bell pepper Cook the vegetables over medium heat for about five to eight minutes stirring often until they are softened and the onion looks translucent Add the minced garlic and stir constantly for one more minute to release fragrance without burning
- Spice it Up and Add Potatoes:
- Sprinkle in the Cajun seasoning kosher salt black pepper paprika and cayenne pepper Stir thoroughly to coat the vegetables with spices Next pour in the chicken broth and add the peeled cubed potatoes Make sure the potatoes are fully submerged in the liquid Reduce the heat to low and let everything simmer gently for about twenty to twenty five minutes or until the potatoes are fork tender
- Combine Sausage Cream and Cheese:
- Return the browned andouille sausage to the pot Once the soup is gently simmering again pour in the heavy cream and add shredded mild cheddar cheese Stir well and keep the soup over low heat for five minutes until the cheese has melted and blended into the broth
- Finish and Serve:
- Taste the soup and adjust seasoning if you prefer Pour the soup into serving bowls and top each with chopped fresh parsley Serve immediately while hot and enjoy the melt in your mouth texture

I always look forward to the burst of flavor from the andouille sausage each time I make this soup. One of my favorite memories is my kids reaching for seconds just to find the biggest sausage slices hiding among the potatoes.
Storage Tips
Refrigerate leftover soup in an airtight container for up to three days If reheating on the stove add a splash of broth or cream to restore the creamy texture Always cool the soup completely before covering to prevent excess condensation in the container
Ingredient Substitutions
You can swap the andouille sausage for smoked turkey sausage or keep it vegetarian by omitting meat altogether and doubling up on vegetables For a lighter soup use half and half instead of heavy cream If cheddar is not your favorite try Monterey Jack or Gouda for a new cheesy twist

Serving Suggestions
A slice of warm crusty bread or a wedge of cornbread turns this soup into a full meal For a fresh contrast serve with a simple green salad Top each bowl with an extra sprinkle of cheese or a dash of hot sauce if you love big flavor
Cultural Background
This soup is inspired by Cajun cuisine which blends French African and Southern US traditions The heart and soul of Cajun cooking is comfort simple techniques and bold spices that bring people together around the table This soup captures that spirit and brings a little Louisiana magic into any kitchen
Recipe FAQs
- → What type of sausage works best in this soup?
Andouille sausage adds smoky, spicy flavor, but smoked sausage or kielbasa can also be used for a milder taste.
- → How can I make this soup gluten-free?
Use gluten-free andouille sausage and ensure the chicken broth is certified gluten-free to keep the soup safe for gluten-sensitive diners.
- → Can I make this soup vegetarian?
Yes, simply omit the sausage, use vegetable broth, and consider adding extra smoked paprika for richness and depth.
- → What can I serve alongside this soup?
Crusty bread, cornbread, or a simple salad pair wonderfully, making for a complete and hearty meal.
- → Can I adjust the spice level?
Easily customize heat by adding more cayenne pepper or using hotter sausage, or reduce for a milder flavor.
- → How should leftovers be stored?
Store cooled soup in an airtight container in the refrigerator for up to three days. Reheat gently before serving.