Name: One Pot Cajun Chicken Pasta
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Cuisine: Cajun-American
Ingredients: 1½ tablespoons olive oil, divided; 1 pound boneless skinless chicken breasts, cut into 1-inch pieces; 1½ tablespoons Cajun seasoning, divided; 1 medium red bell pepper, sliced; 1 medium yellow bell pepper, sliced; 1 small red onion, thinly sliced; 2 garlic cloves, minced; 2 (14.5-ounce) cans low-sodium chicken broth; 1 (14.5-ounce) can fire-roasted diced tomatoes; ¾ cup heavy cream, divided; 12 ounces penne pasta; 2 teaspoons cornstarch; 1 tablespoon water; ¾ cup finely shredded Parmesan cheese; 3 tablespoons fresh parsley, chopped; Salt and black pepper, to taste

Jump to Recipe

There are those nights when everyone is hungry, the dishes are already piling up, and the last thing you want is a complicated dinner. That’s exactly when One Pot Cajun Chicken Pasta comes to the rescue. It’s creamy, smoky, a little spicy, and packed with juicy chicken, colorful peppers, and tender pasta—all cooked in just one pot.

I love recipes like this because they deliver restaurant-quality flavor without leaving your kitchen looking like a disaster zone. Whether you’re feeding a hungry family, meal prepping for the week, or simply craving something cozy with a kick, this recipe checks every box. Best of all, everything comes together with everyday ingredients and minimal cleanup.

Why You’ll Love This One Pot Cajun Chicken Pasta

One-Pot Wonder: Everything cooks in a single pot, which means less cleanup and more time to enjoy dinner.

Bold Cajun Flavor: The Cajun seasoning adds just the right amount of smoky spice without being overwhelming.
Family-Friendly: Easy to adjust the heat level so everyone at the table is happy.
Creamy and Comforting: Rich parmesan and heavy cream create an incredibly smooth, satisfying sauce.

Perfect for Busy Nights: Ready in about 30 minutes from start to finish.
Great for Leftovers: The flavors become even more delicious the next day, making lunch something to look forward to.

Ingredients You’ll Need

One of my favorite things about this recipe is that it uses simple ingredients that come together to create amazing flavor.

Olive oil: For cooking the chicken and vegetables.
Boneless skinless chicken breasts: Lean, tender, and perfect for soaking up the Cajun spices.
Cajun seasoning: The star ingredient that gives this dish its signature bold flavor.
Red and yellow bell peppers: They add sweetness, color, and a little crunch.

Red onion: Brings a mild sweetness that balances the spices.
Garlic: Fresh garlic makes the whole kitchen smell incredible.
Low-sodium chicken broth: Helps cook the pasta while building a flavorful sauce.
Fire-roasted diced tomatoes: Add smoky richness and a touch of acidity.

Heavy cream: Creates the creamy sauce everyone loves.
Penne pasta: Holds onto the sauce beautifully and cooks perfectly in the broth.
Cornstarch slurry: Thickens the sauce just enough.
Parmesan cheese: Adds salty, nutty richness.
Fresh parsley: Brightens the finished dish.
Salt and black pepper: Adjust to your taste.

Refer to the recipe card below for exact ingredient measurements and full nutritional information.

Easy Substitutions

Swap chicken breasts for boneless chicken thighs for extra juiciness.
Use orange or green bell peppers if that’s what you have.

Half-and-half can replace part of the heavy cream for a lighter sauce.
Gluten-free penne works well—just watch the cooking time.
Freshly grated Parmesan melts much more smoothly than the pre-shredded variety.

How to Make One Pot Cajun Chicken Pasta

Cook the chicken. Heat 1 tablespoon of olive oil in a large pot over medium-high heat. Toss the chicken pieces with ½ tablespoon Cajun seasoning, then cook for about 3 minutes per side until browned and fully cooked. Remove the chicken, wrap it loosely in foil, and keep warm.

Sauté the vegetables. Add the remaining olive oil to the same pot. Stir in the sliced bell peppers and red onion. Cook for about 3 minutes until they begin to soften. Add the minced garlic and the remaining Cajun seasoning, cooking for another minute until fragrant.
Build the sauce. Pour in the chicken broth, fire-roasted tomatoes, and ½ cup of the heavy cream. Stir everything together and bring the mixture to a gentle boil.
Cook the pasta. Add the penne directly into the pot. Stir frequently while it cooks for about 12 to 13 minutes, allowing the pasta to absorb all those incredible flavors.

Thicken the sauce. Stir in the cornstarch mixed with water. Cook for another minute until the sauce thickens and the pasta is perfectly tender.
Finish the dish. Remove the pot from the heat. Stir in the remaining heavy cream, Parmesan cheese, parsley, and the cooked chicken. Season with salt and freshly ground black pepper to taste.
Serve immediately. Spoon generous portions into bowls and garnish with a little extra Parmesan and parsley if you’d like.

Helpful Tips

A few simple tricks can make this recipe even better.

Cut the chicken into evenly sized pieces so everything cooks at the same rate.
Stir the pasta frequently while it simmers to prevent it from sticking to the bottom of the pot.

Freshly grated Parmesan melts into the sauce much more smoothly than packaged shredded cheese.
Taste your Cajun seasoning before adding extra salt. Some blends are much saltier than others.
If the sauce thickens too much, stir in a splash of chicken broth or cream until it reaches your favorite consistency.

Like most pasta dishes, this one tends to disappear quickly. If you’re hoping for leftovers, you may want to double the recipe!

Variations and Substitutions

This recipe is incredibly flexible, making it easy to customize.

Add sliced mushrooms for extra earthy flavor.
Toss in fresh spinach during the last few minutes of cooking.

Stir in cooked shrimp along with or instead of the chicken.
Add sliced andouille sausage for an even heartier Cajun-inspired meal.
Increase the Cajun seasoning or add a pinch of cayenne pepper if you enjoy extra heat.

For a lighter version, use half-and-half instead of all heavy cream.
Vegetarian? Skip the chicken and use mushrooms, zucchini, or extra peppers while swapping the broth for vegetable broth.

Storage and Reheating

Leftovers store beautifully, making this recipe perfect for meal prep.

Store cooled One Pot Cajun Chicken Pasta in an airtight container in the refrigerator for up to 4 days.
To freeze, place cooled portions in freezer-safe containers for up to 2 months. Thaw overnight in the refrigerator before reheating.
For the best texture, warm leftovers gently on the stovetop over medium-low heat. Add a splash of chicken broth, milk, or cream to loosen the sauce as it reheats. The microwave also works well—just heat in short intervals, stirring between each one.

Creamy One Pot Cajun Chicken Pasta served in a bowl with tender chicken, penne pasta, red and yellow bell peppers, and fresh parsley. — Dig into this One Pot Cajun Chicken Pasta, featuring juicy Cajun-seasoned chicken, creamy Parmesan sauce, tender penne, and colorful bell peppers for the perfect one-pot comfort meal.

FAQs About One Pot Cajun Chicken Pasta

Can I make One Pot Cajun Chicken Pasta ahead of time?

Yes. It’s an excellent make-ahead meal, and the flavors become even richer after sitting overnight in the refrigerator.

Can I use chicken thighs instead of chicken breasts?

Absolutely. Boneless, skinless chicken thighs stay incredibly juicy and work wonderfully in this recipe.

Is this recipe very spicy?

It depends on your Cajun seasoning. Most blends offer moderate heat, but you can easily adjust the spice level by using more or less seasoning.

Can I freeze leftovers?

Yes. Freeze cooled portions for up to two months. Add a splash of cream or broth while reheating to refresh the sauce.

What pasta works best?

Penne is ideal because it cooks evenly and holds onto the creamy sauce, but rotini, rigatoni, or ziti are also excellent choices.

Why is my sauce too thick?

Pasta continues absorbing liquid after cooking. Simply stir in a little chicken broth, milk, or cream until the sauce reaches your preferred consistency.

Bring This Cajun Pasta to Your Table

If you’re searching for an easy dinner that’s packed with flavor and doesn’t leave you with a sink full of dishes, One Pot Cajun Chicken Pasta is one recipe you’ll want to make again and again. The creamy sauce, perfectly seasoned chicken, colorful vegetables, and tender pasta come together in a meal that’s comforting enough for weeknights yet impressive enough to serve guests.

I hope this recipe finds a regular spot in your dinner rotation just like it has in mine. If you give it a try, I’d love to hear how it turned out!

More Easy Dinner Ideas You’ll Love

If you loved this One Pot Cajun Chicken Pasta, here are a few more easy, flavor-packed recipes to add to your meal plan:

Try this Spicy Chicken Bowtie Pasta when you’re craving another creamy pasta dinner with a little extra kick.
Enjoy a comforting bowl of Easy Creamy Lemon Garlic Pasta, a simple weeknight favorite packed with fresh, savory flavor.
For another cozy chicken dinner, make this Creamy Herb Chicken Basmati Rice with tender chicken and a rich, creamy sauce.

Love low-cleanup meals? Don’t miss this Dump and Bake Chicken Orzo Bake, an easy family dinner that practically cooks itself.

Tried this recipe? Please leave a review below and rate this One Pot Cajun Chicken Pasta with stars. Your feedback helps other readers find a dinner they’ll love!