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Cajun Alfredo Sauce Recipe

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4.3 from 12 reviews

This Cajun Alfredo Sauce combines the rich, creamy texture of traditional Alfredo with bold, smoky Cajun spices for a flavorful twist. Ready in just 15 minutes, it’s perfect for adding a spicy, indulgent flair to your pasta dishes or as a savory sauce for chicken and seafood.

Ingredients

Sauce Ingredients

  • ½ cup unsalted butter
  • 1 ½ cup heavy cream
  • 2 Tablespoons Cajun seasoning (homemade or store bought)
  • ½ teaspoon kosher salt (omit if seasoning blend contains salt)
  • 1¾ cup freshly grated parmesan cheese
  • 1 lemon (zest only)
  • 3 Tablespoons smoked paprika
  • 1 Tablespoon onion powder
  • 1 Tablespoon garlic powder
  • 2 teaspoon kosher salt
  • 1 teaspoon ground white pepper
  • 1 teaspoon ground mustard
  • 1 teaspoon dried oregano
  • 1 teaspoon dried thyme
  • 1 teaspoon cayenne pepper
  • ½ teaspoon dried basil

Instructions

  1. Melt Butter: Melt the butter in a large skillet over low heat until it is fully melted and begins to froth, showing white bubbles on the surface.
  2. Add Cream and Cajun Seasoning: Stir in the heavy cream and Cajun seasoning. Add kosher salt if your seasoning does not already contain salt. Bring the mixture to a gentle simmer and cook on low heat for 5 to 6 minutes to allow flavors to meld.
  3. Add Lemon Zest and Parmesan: Remove the skillet from heat, stir in the lemon zest, then gradually add the freshly grated parmesan cheese. Stir continuously until the cheese melts completely and the sauce turns smooth and creamy. Adjust salt if needed.
  4. Toss or Serve: Add cooked pasta directly to the pan and toss to coat evenly with the sauce or serve it alongside your favorite dish as desired.

Notes

  • Use freshly grated parmesan cheese for the best melting quality and flavor.
  • If your Cajun seasoning contains salt, omit the additional ½ teaspoon kosher salt in step 2.
  • This sauce pairs well with fettuccine, penne, or grilled proteins like chicken and shrimp.
  • Adjust cayenne pepper to your preferred spice level.