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Cajun Potato Soup Recipe

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4.9 from 18 reviews

A comforting and creamy roasted red pepper soup infused with smoky paprika, fresh thyme, and melted aged gouda, perfect for warming your soul on chilly days.

  • Total Time: 55 minutes
  • Yield: 6 servings

Ingredients

Roasted Peppers

  • 4 large red bell peppers
  • 2 tablespoons olive oil
  • ½ teaspoon kosher salt

Soup Base

  • 3 tablespoons unsalted butter
  • 1 large yellow onion, diced
  • 4 garlic cloves, minced
  • 2 tablespoons all-purpose flour
  • 4 cups chicken or vegetable broth
  • 1 teaspoon smoked paprika
  • 1 tablespoon fresh thyme leaves
  • ½ teaspoon black pepper

For Finishing

  • 2 cups (8 oz) aged gouda cheese, shredded
  • ¼ cup heavy cream (optional)
  • ¼ cup fresh basil leaves

Instructions

  1. Preheat Broiler: Turn your oven’s broiler to high and position the rack 6 inches from the heat source. Line a baking sheet with aluminum foil for easy cleanup.
  2. Prepare Peppers: Wash and dry red bell peppers. Rub them with olive oil and sprinkle with kosher salt. Place directly on foil-lined baking sheet.
  3. Broil Peppers: Broil for 15 minutes, turning every 4 minutes with tongs until skins are completely blackened and blistered to develop smoky flavor.
  4. Steam Peppers: Transfer charred peppers to a large bowl and cover tightly with plastic wrap. Let steam for 10 minutes to loosen skins.
  5. Peel and Chop Peppers: Once cool enough, peel off skins, remove stems and seeds. Roughly chop and set aside without rinsing.
  6. Melt Butter: Heat a large Dutch oven over medium heat. Add butter and let it melt until foamy but not brown.
  7. Sauté Onion: Add diced onion and cook 5-6 minutes until translucent and soft, stirring occasionally.
  8. Add Garlic: Stir in minced garlic and cook for 60 seconds until fragrant without browning.
  9. Create Roux: Sprinkle flour over onion and garlic mixture. Stir constantly for 2 minutes until paste forms to thicken soup.
  10. Add Broth: Slowly pour broth while whisking to avoid lumps. Soup will start thin and thicken as it heats.
  11. Add Peppers and Spices: Stir in chopped roasted peppers, smoked paprika, fresh thyme, and black pepper.
  12. Simmer Soup: Bring to a boil, then reduce heat to low and simmer uncovered for 15 minutes, stirring occasionally to meld flavors.
  13. Blend Soup: Remove from heat and blend soup with immersion blender until smooth. Alternatively, use a regular blender in batches with vented lid for steam release.
  14. Melt Gouda: Return pot to low heat, add shredded gouda gradually, stirring slowly until melted and soup is creamy and coral-colored.
  15. Adjust Seasoning: Taste and add salt if needed, but be cautious as gouda is salty.
  16. Add Cream (Optional): Stir in heavy cream for extra richness if desired.
  17. Add Basil: Tear fresh basil leaves and stir into soup just before serving to release aroma.

Notes

  • Do not rinse peppers after peeling to retain smoky flavor.
  • Use a Dutch oven or heavy-bottomed pot for even heat distribution.
  • An immersion blender is preferred for convenience and safety but a regular blender works with care.
  • When using a blender, do not fill more than halfway and vent the lid to avoid steam buildup and splatter.
  • Heavy cream is optional; skip to keep soup lighter.
  • Gouda melts best on low heat to avoid graininess.
  • Use fresh thyme rather than dried for best flavor.
  • Handling charred peppers may stain fingers — wash hands well and avoid touching eyes.
  • Author: Millie
  • Prep Time: 20 minutes
  • Cook Time: 35 minutes
  • Category: Soup
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian