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The Ultimate Creamy One-Pot Cajun Potato Soup with Andouille Sausage

A close-up of a rich, creamy bowl of cajun potato soup topped with sliced sausage, melted cheddar cheese, and green onions.
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Make this hearty Cajun potato soup in one pot for an easy, flavorful dinner. It features tender potatoes, spicy andouille sausage, and a rich, creamy base seasoned with authentic Cajun spices.

Ingredients

Scale
  • 1 tablespoon vegetable oil
  • 1 ring andouille sausage, sliced into 1/4-inch rounds
  • 1 large onion, diced
  • 1/2 cup diced celery
  • 2 cloves garlic, minced
  • 2 tablespoons Cajun seasoning (adjust to taste)
  • 1/4 cup all-purpose flour
  • 4 cups chicken broth
  • 2 pounds Russet potatoes, peeled and cubed
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1 cup heavy cream
  • 1 cup shredded sharp cheddar cheese
  • 2 green onions, sliced, for garnish

Instructions

  1. Heat the vegetable oil in a large pot or Dutch oven over medium heat. Add the sliced andouille sausage and cook until browned, about 5 to 7 minutes. Remove the sausage with a slotted spoon and set aside, leaving the rendered fat in the pot.
  2. Add the diced onion and celery to the pot. Cook until softened, about 5 minutes. Add the minced garlic and Cajun seasoning and cook for 1 minute until fragrant.
  3. Sprinkle the flour over the vegetables and stir constantly for 1 minute to create a roux base.
  4. Gradually whisk in the chicken broth until smooth. Bring the mixture to a simmer.
  5. Add the cubed potatoes, salt, and pepper. Return the sausage to the pot. Bring back to a simmer, then reduce heat to low, cover, and cook for 15 to 20 minutes, or until the potatoes are tender.
  6. Use a potato masher or the back of a spoon to mash some of the potatoes against the side of the pot to naturally thicken the soup.
  7. Stir in the heavy cream and shredded cheddar cheese until the cheese melts and the soup is smooth and creamy. Do not boil after adding the cream.
  8. Taste and adjust seasoning if needed. Serve hot, garnished with sliced green onions.

Notes

  • For a spicier soup, add 1/4 teaspoon of cayenne pepper with the Cajun seasoning.
  • If you do not have andouille sausage, smoked sausage or bacon can substitute.
  • To make this recipe vegetarian, omit the sausage and use vegetable broth, adding smoked paprika for depth.

Nutrition

Find it online: https://fooddexterity.com/cajun-potato-soup-creamy-one-pot-recipe/