Creamy Cajun Chicken Pasta combines seasoned chicken, tender pasta, bell peppers, and a rich Parmesan sauce with a gentle kick. Cajun seasoning brings paprika, garlic, herbs, and pepper together, giving the dish plenty of flavor without requiring a long list of spices.
The chicken and sauce cook in the same skillet while the pasta boils separately. Ready in about 35 minutes, this recipe is practical for weeknight dinners but flavorful enough for a casual gathering.
Why You’ll Love This Recipe
- Ready in approximately 35 minutes.
- Uses one pot and one skillet.
- Combines creamy sauce with adjustable Cajun heat.
- Includes tender chicken and bell peppers.
- Works with several different pasta shapes.
- Can be customized with shrimp, sausage, or vegetables.
Ingredients
- 12 ounces penne pasta
- 1 1/4 pounds boneless, skinless chicken breasts
- 2 tablespoons salt-free Cajun seasoning, divided
- 3/4 teaspoon kosher salt, divided, plus more for the pasta water
- 1/4 teaspoon ground black pepper
- 1 tablespoon olive oil
- 2 tablespoons unsalted butter, divided
- 1 medium red bell pepper, thinly sliced
- 3 garlic cloves, minced
- 1 cup low-sodium chicken broth
- 1 1/4 cups heavy cream
- 3/4 cup finely grated Parmesan cheese
- 1/2 cup reserved pasta water, as needed
- 2 tablespoons chopped fresh parsley, for serving
Using salt-free Cajun seasoning allows you to control the sodium level. If your seasoning blend already contains salt, reduce or omit the added kosher salt.
Ingredient Substitutions
- Chicken breasts: Use boneless chicken thighs and adjust the cooking time as needed.
- Penne: Substitute rotini, rigatoni, bow ties, linguine, or fettuccine.
- Heavy cream: Use half-and-half for a lighter sauce, but keep it below a boil.
- Chicken broth: Substitute vegetable broth.
- Parmesan: Use Pecorino Romano, reducing the salt because it has a sharper, saltier flavor.
- Red bell pepper: Substitute green, yellow, or orange bell pepper.
- Cajun seasoning: Combine paprika, garlic powder, onion powder, dried oregano, dried thyme, black pepper, and cayenne to make a homemade blend.
How to Make Creamy Cajun Chicken Pasta
- Prepare the chicken.
Slice the chicken breasts into strips approximately 1 inch wide. Pat them dry with paper towels. - Season the chicken.
Place the chicken in a medium bowl. Add 1 1/2 tablespoons Cajun seasoning, 1/2 teaspoon salt, and the black pepper. Toss until evenly coated. - Cook the pasta.
Bring a large pot of generously salted water to a boil. Add the penne and cook until al dente according to the package instructions. - Reserve the pasta water.
Before draining the pasta, reserve 1/2 cup of the cooking water. Drain the pasta without rinsing it. - Heat the skillet.
While the pasta cooks, heat the olive oil and 1 tablespoon butter in a large skillet over medium-high heat. - Cook the chicken.
Arrange the chicken in a single layer. Cook for 3 to 4 minutes on the first side, then turn and cook for another 3 to 4 minutes. The chicken should be browned and reach 165°F. Transfer it to a plate. - Cook the bell pepper.
Reduce the heat to medium and add the remaining tablespoon of butter. Add the bell pepper and cook for 3 to 4 minutes, until slightly softened but still colorful. - Add the garlic.
Stir in the minced garlic and cook for approximately 30 seconds, just until fragrant. - Deglaze the skillet.
Pour in the chicken broth and scrape the bottom with a wooden spoon. Simmer for 3 to 4 minutes, until the broth reduces slightly. - Add the cream and seasoning.
Reduce the heat to medium-low. Stir in the heavy cream, remaining 1/2 tablespoon Cajun seasoning, and remaining 1/4 teaspoon salt. Simmer gently for 3 minutes. - Add the Parmesan.
Lower the heat. Gradually add the Parmesan in small handfuls, stirring until each addition melts into the sauce. - Combine the pasta and sauce.
Add the drained penne and toss until evenly coated. Use reserved pasta water, 1 tablespoon at a time, if the sauce is too thick. - Return the chicken.
Add the chicken and any accumulated juices to the skillet. Toss gently and cook for 1 to 2 minutes, just until everything is warm. - Garnish and serve.
Remove the skillet from the heat. Sprinkle with parsley and serve immediately.
Tips for the Best Creamy Cajun Chicken Pasta
- Cut the chicken into evenly sized strips.
- Check whether the Cajun seasoning already contains salt.
- Cook the pasta only until al dente.
- Reserve pasta water before draining.
- Avoid crowding the skillet when cooking the chicken.
- Keep the sauce at a gentle simmer.
- Add freshly grated Parmesan gradually.

Common Mistakes to Avoid
Using Too Much Salt
Many Cajun seasoning blends contain a significant amount of salt. Check the label and adjust the additional salt accordingly.
Crowding the Chicken
Overcrowding lowers the skillet’s temperature and causes the chicken to steam. Cook in batches if necessary.
Boiling the Cream Sauce
A vigorous boil can cause the cream to separate. Reduce the heat before adding the cream and cheese.
Using Pre-Shredded Parmesan
Packaged shredded cheese may not melt smoothly. Finely grate Parmesan directly from a block.
Overcooking the Pasta
The pasta continues softening when added to the sauce. Drain it while it is still al dente.
Variations
Cajun Shrimp Pasta
Replace the chicken with 1 pound of peeled and deveined shrimp. Cook the shrimp for 1 to 2 minutes per side, then remove them before preparing the sauce.
Cajun Sausage Pasta
Replace half of the chicken with 8 ounces of sliced, fully cooked andouille sausage. Brown the sausage before cooking the chicken.
Spinach Cajun Chicken Pasta
Add 3 packed cups of baby spinach to the finished sauce. Stir until wilted before adding the pasta.
Extra-Spicy Cajun Pasta
Add 1/4 teaspoon cayenne pepper or crushed red pepper flakes with the garlic.
Lighter Cajun Chicken Pasta
Replace the heavy cream with half-and-half and reduce the Parmesan to 1/2 cup. Keep the sauce over low heat.
What to Serve With Creamy Cajun Chicken Pasta
- Garlic bread
- Mixed green salad
- Roasted broccoli
- Steamed green beans
- Roasted asparagus
- Corn on the cob
How to Store
Allow leftover pasta to cool before transferring it to an airtight container. Refrigerate for up to 3 days.
Freezing is not recommended because cream-based sauces may separate and the pasta can become soft after thawing.
Reheat the pasta in a covered skillet over low heat. Add a splash of chicken broth, milk, or cream and stir frequently until warmed through. Avoid high heat, which can separate the sauce and dry out the chicken.
Frequently Asked Questions
Is Cajun Chicken Pasta very spicy?
The heat depends on the Cajun seasoning blend. For a milder result, choose a blend with little cayenne. Add extra cayenne or hot sauce for more heat.
Can I use a salted Cajun seasoning?
Yes. Omit the added kosher salt initially, then taste the finished sauce and adjust if needed.
Why did my cream sauce become grainy?
The skillet may have been too hot when the Parmesan was added, or packaged shredded cheese may have been used. Lower the heat and add freshly grated cheese gradually.
How can I thicken the sauce?
Let it simmer gently before adding the cheese. The Parmesan and starchy pasta water will also help the sauce coat the pasta.
How can I thin a sauce that is too thick?
Add reserved pasta water, chicken broth, or milk 1 tablespoon at a time.
Can I use precooked chicken?
Yes. Prepare the sauce as directed and add approximately 3 cups of sliced cooked chicken with the pasta. Heat only until warmed through.
Can I prepare this dish ahead of time?
The sauce has the smoothest texture when freshly prepared. If making it ahead, store the pasta and sauce separately and reheat gently with a splash of cream.
Final Thoughts
Creamy Cajun Chicken Pasta balances a rich Parmesan sauce with warm Cajun spices and tender chicken. Control the salt in the seasoning blend and keep the sauce over gentle heat for the smoothest result.
