Dinner · Part 1 of 3: Ingredients
Blackened Chicken Cajun Alfredo Fettuccine

- Prep
- Cook
- Total
- Serves
- 4
Blackened chicken breast meets a rich, spicy Cajun Alfredo sauce in this one-pan pasta that delivers bold flavor in under 30 minutes.
The chicken gets a dark, charred crust from a hot skillet and Cajun seasoning, then rests while the cream and Parmesan bubble into a velvety sauce. Toss in fettuccine, top with sliced chicken, and serve for a comforting dinner that feels indulgent but comes together easily.
This recipe brings the heat and the cream together in one unforgettable dish. Chicken breasts are coated in spicy Cajun seasoning and seared until blackened, creating a crisp, smoky crust. The same pan then becomes the base for a luscious Alfredo sauce, enriched with Parmesan and thickened with cream.
Fettuccine is tossed directly into the sauce, absorbing every bit of flavor, and the sliced chicken is arranged on top for a striking finish. It's a bold, satisfying meal that's perfect for weeknights or special occasions.
Ingredients
- 1 1/2 lb boneless, skinless chicken breasts
- 2 tbsp Cajun seasoning
- 1 tbsp olive oil
- 2 cups heavy cream
- 1 cup freshly grated Parmesan cheese
- 12 oz fettuccine pasta
- salt, to taste
- black pepper, to taste
Why this recipe works
The blackening technique creates a deeply flavorful crust on the chicken. High heat and Cajun spices caramelize the surface, producing a smoky, slightly charred exterior that contrasts beautifully with the creamy sauce.
Searing in a hot skillet locks in juices and builds a fond on the pan that becomes the base of the Alfredo, adding layers of savory depth.
Tossing the pasta directly into the sauce ensures every strand is evenly coated. Instead of pouring sauce over pasta, the fettuccine is mixed in the skillet, allowing the starch from the pasta to help thicken the sauce and cling to the noodles.
The result is a cohesive, luxurious dish where each bite has the perfect balance of creamy, spicy, and savory.
Notes and substitutions
For the best flavor, use freshly grated Parmesan cheese. Pre-shredded varieties often contain anti-caking agents that prevent smooth melting and can make the sauce grainy. Grate the cheese just before using for a silky texture. Heavy cream is essential for richness; substitute half-and-half if desired, but the sauce will be thinner.
Cajun seasoning varies in heat. Start with 2 tablespoons for a moderate kick, or adjust to taste. If using a salt-free blend, season the chicken with a little extra salt before coating. The skillet should be hot enough to sizzle immediately when the chicken hits the pan, but not smoking, to achieve a blackened crust without burning the spices.
- fettuccine: Substitute with linguine, tagliatelle, or any long pasta shape.
- heavy cream: Use half-and-half for a lighter sauce, but the sauce will be thinner.
- Cajun seasoning: For a milder heat, reduce to 1 tablespoon and add a pinch of smoked paprika.
- Parmesan: Use Pecorino Romano for a sharper, saltier flavor.
Equipment
- Large skillet
- Large pot for pasta
- Tongs
- Chef's knife
- Cutting board
- Measuring cups and spoons
- Wooden spoon
Up next · Part 2 of 3
7 steps · 20 min of cooking · what to look for at each stage
Step-by-step instructions (Part 2)