Cajun Alfredo Sauce
This Cajun Alfredo Sauce blends classic creamy Alfredo with bold Cajun spices, smoky paprika, and a customizable level of heat. It’s silky, rich, and perfect for tossing with pasta or spooning over chicken, shrimp, or veggies.
Ingredients
- 4 tablespoons unsalted butter
- 1 tablespoon olive oil
- 4 cloves garlic minced
- 1-1 1/2 tablespoons Cajun seasoning divided; start with 1 tablespoon for mild/medium heat and add more to taste
- 1/2 teaspoon smoked paprika
- 1/4 teaspoon crushed red pepper flakes optional, for extra heat
- 1/2 teaspoon kosher salt plus more to taste; adjust based on how salty your Cajun seasoning is
- 1/4 teaspoon freshly ground black pepper
- 1/2 cup low-sodium chicken broth or vegetable broth
- 1 1/2 cups heavy cream half-and-half can be used, but sauce will be thinner
- 1 cup Parmesan cheese freshly grated, about 3 oz
- 1-2 tablespoons fresh lemon juice to taste
- 2 tablespoons fresh parsley chopped
- cooked pasta such as fettuccine, linguine, or penne, for serving (optional)
- cooked sliced chicken breast, sautéed shrimp, or roasted vegetables optional, for serving
Instructions
- In a large skillet or sauté pan, heat the olive oil and butter over medium heat until the butter is melted and just starting to foam. Use a wide pan, like a deep skillet, so the sauce reduces evenly.4 tablespoons unsalted butter, 1 tablespoon olive oil
- Add the minced garlic and sauté for 30–60 seconds, stirring often, until fragrant but not browned. Sprinkle in 1 tablespoon of Cajun seasoning, the smoked paprika, and red pepper flakes (if using). Stir for another 30 seconds to bloom the spices in the fat.4 cloves garlic, 1-1 1/2 tablespoons Cajun seasoning, 1/2 teaspoon smoked paprika, 1/4 teaspoon crushed red pepper flakes
- Pour in the chicken broth, scraping up any browned bits from the bottom of the pan. Let it simmer for 2–3 minutes, reducing slightly and building flavor.1/2 cup low-sodium chicken broth
- Reduce the heat to medium-low and slowly pour in the heavy cream, stirring constantly. Bring the mixture to a gentle simmer with small bubbles around the edges, then cook for 5–7 minutes, stirring occasionally, until it starts to thicken. Avoid boiling, which can cause the cream to separate.1 1/2 cups heavy cream
- Lower the heat to low. Add the Parmesan cheese gradually, a small handful at a time, stirring well after each addition until fully melted and smooth. Season with kosher salt and black pepper, tasting and adjusting as needed. Add more Cajun seasoning here if you prefer a stronger or spicier flavor. If the sauce becomes too thick, thin it with a splash of extra broth or cream until it coats the back of a spoon.1 cup Parmesan cheese, 1/2 teaspoon kosher salt, 1/4 teaspoon freshly ground black pepper, 1-1 1/2 tablespoons Cajun seasoning
- Once the cheese has melted and the sauce is silky, stir in 1 tablespoon of lemon juice and the chopped fresh parsley. Taste and add up to 1 more tablespoon of lemon juice if you want a brighter, fresher finish.1-2 tablespoons fresh lemon juice, 2 tablespoons fresh parsley
- For Cajun Alfredo pasta, add hot cooked pasta directly to the pan and toss well, using a splash of pasta water if needed to loosen the sauce. Or spoon the sauce generously over cooked chicken, shrimp, or roasted vegetables and garnish with extra Parmesan and parsley if desired.cooked pasta, cooked sliced chicken breast, sautéed shrimp, or roasted vegetables
Notes
Yield: About 3 cups of sauce, enough for 12–16 oz dry pasta (serves 4–6, depending on appetite).
Storage: Refrigerate sauce or sauced pasta in an airtight container for up to 3–4 days. Freeze up to 2 months, understanding the texture may separate slightly when thawed.
Reheating: Warm gently on the stove over low heat with a splash of milk, cream, or broth, stirring frequently and avoiding boiling. In the microwave, heat in 20–30 second bursts, stirring between each round.
Make-ahead: You can make the sauce up to 1 day in advance. Cool completely, refrigerate, then reheat gently and adjust with a bit more cream or broth before serving.
Tips: Use freshly grated Parmesan for a smooth sauce. Control the heat carefully to prevent separating. Taste at each stage and adjust Cajun seasoning and salt based on your brand’s saltiness. A splash of hot pasta water helps loosen sauce that seems too thick once tossed with pasta.
Nutrition
Calories: 300kcal
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