Introduction
If you love rich, creamy pasta with a bold, spicy kick, this Blackened Cajun Chicken Alfredo is the perfect dish for you! Juicy, blackened chicken breasts, seasoned with a smoky Cajun spice blend, rest on top of a plate of silky, parmesan-infused alfredo sauce and tender fettuccine.
This restaurant-quality dish is packed with flavor and heat, making it an easy yet impressive meal for a weeknight dinner or a special occasion. Inspired by classic Cajun pasta dishes, this homemade version is fresher, tastier, and fully customizable!
If you’re a fan of Cajun cuisine or looking for a twist on classic chicken alfredo, this spicy, creamy pasta dish is a must-try. Pair it with garlic bread and a fresh salad for the perfect meal!
Ingredients
For the Blackened Cajun Chicken:
- 2 large chicken breasts
- 1 tablespoon olive oil
- 1 tablespoon butter
- 1 tablespoon Cajun seasoning (store-bought or homemade)
- 1 teaspoon paprika
- ½ teaspoon garlic powder
- ½ teaspoon onion powder
- ½ teaspoon black pepper
- ½ teaspoon salt
For the Alfredo Sauce:
- 3 tablespoons butter
- 4 cloves garlic, minced
- 2 cups heavy cream
- 1 cup parmesan cheese, freshly grated
- 1 teaspoon Italian seasoning
- ½ teaspoon black pepper
- ½ teaspoon Cajun seasoning (for extra spice)
- ½ teaspoon red pepper flakes (optional)
For the Pasta:
- 12 ounces fettuccine pasta
- 1 teaspoon salt (for boiling water)
For Garnish:
- ½ cup chopped parsley
- ½ cup parmesan cheese, extra for topping
- 1 teaspoon red pepper flakes (optional for heat)

Directions
Step 1: Cook the Pasta
- Bring a large pot of salted water to a boil.
- Add the fettuccine pasta and cook according to the package instructions until al dente.
- Drain and set aside, reserving ½ cup of pasta water.
Step 2: Blacken the Cajun Chicken
- Pat the chicken breasts dry with a paper towel.
- In a small bowl, mix Cajun seasoning, paprika, garlic powder, onion powder, black pepper, and salt.
- Rub the seasoning mixture evenly over both sides of the chicken.
- Heat olive oil and butter in a large skillet over medium-high heat.
- Add the seasoned chicken and cook for 4-5 minutes per side, until blackened and cooked through (internal temp 165°F/74°C).
- Remove from the skillet and let it rest before slicing.
Step 3: Make the Alfredo Sauce
- In the same skillet, melt butter over medium heat.
- Add minced garlic and sauté for 30 seconds until fragrant.
- Pour in heavy cream and stir well.
- Add parmesan cheese, Italian seasoning, black pepper, Cajun seasoning, and red pepper flakes.
- Simmer for 3-4 minutes, stirring occasionally, until the sauce thickens.
Step 4: Assemble the Dish
- Add the cooked pasta to the Alfredo sauce and toss to coat.
- If the sauce is too thick, add reserved pasta water, one tablespoon at a time.
- Slice the blackened Cajun chicken and place it on top of the pasta.
- Garnish with chopped parsley, extra parmesan cheese, and red pepper flakes.
Step 5: Serve and Enjoy!
- Plate the pasta and chicken while warm.
- Serve immediately with garlic bread or a side salad.
Servings and Timing
- Servings: 4
- Prep Time: 10 minutes
- Cook Time: 20 minutes
- Total Time: 30 minutes
Variations
- Spicy Version: Add extra Cajun seasoning and red pepper flakes for more heat.
- Protein Swaps: Substitute chicken with shrimp, salmon, or tofu.
- Vegetarian Option: Omit the chicken and add mushrooms, spinach, or sun-dried tomatoes.
- Lighter Version: Use half-and-half instead of heavy cream and grilled chicken instead of blackened.

Storage and Reheating
Storage:
- Store leftovers in an airtight container in the fridge for up to 3 days.
- Alfredo sauce thickens when cooled, so reheat carefully.
Reheating:
- Stovetop: Warm in a skillet over low heat, adding a splash of milk or cream to loosen the sauce.
- Microwave: Heat in 30-second intervals, stirring in between.
10 FAQs About Blackened Cajun Chicken Alfredo
- Can I use store-bought Cajun seasoning?
Yes! But homemade seasoning gives you more control over spice levels. - What’s the best pasta for this recipe?
Fettuccine is classic, but you can also use penne, linguine, or rigatoni. - How do I make it extra creamy?
Add cream cheese or an extra ½ cup of heavy cream to the sauce. - Can I make this dish ahead of time?
Yes! Keep the chicken, pasta, and sauce separate until serving. - How do I make this dish less spicy?
Reduce the Cajun seasoning and red pepper flakes for a milder flavor. - Can I use milk instead of heavy cream?
Yes, but the sauce will be thinner. Add a little butter or cream cheese to thicken it. - Can I grill the chicken instead of blackening it?
Absolutely! Grilled chicken adds a smoky flavor while keeping the dish lighter. - What’s a good side dish for this pasta?
Garlic bread, roasted veggies, or a fresh Caesar salad are great choices. - Can I freeze this dish?
Freezing is not recommended because Alfredo sauce can separate when reheated. - What wine pairs well with this dish?
A Chardonnay or Sauvignon Blanc balances the creamy and spicy flavors.
