Creamy Cajun Chicken Pasta (Cozy 30-Minute Skillet Dinner)

Some nights you just want a bowl of something warm, a little spicy, and completely satisfying, and that’s exactly when I reach for this creamy cajun pasta with juicy chicken and sweet bell peppers tossed in a velvety, peppery sauce.

Fun fact: classic Cajun cooking traces back to the French-speaking Acadians who settled in Louisiana in the 1700s, and their love of the “holy trinity” (onion, bell pepper, and celery) is exactly why this pasta tastes so authentically Southern, even with a modern creamy twist.

Why this recipe works

• Everything cooks in one skillet after the pasta, so cleanup is refreshingly light.
• Toasting the Cajun spice in butter blooms the flavor and gives the sauce real depth instead of just heat.
• A splash of reserved pasta water helps the cream cling to every noodle for that glossy, restaurant-style finish.
• It’s on the table in under 30 minutes, which makes it a rescue meal for busy weeknights.

Ingredients

• 400 g (14 oz) penne or fettuccine pasta
• 500 g (1 lb) boneless chicken breast, sliced into strips
• 1½ cups heavy cream (or half-and-half for a lighter sauce)
• 2 to 3 tablespoons Cajun seasoning, divided
• 2 medium bell peppers, mixed colors, sliced
• 1 medium yellow onion, finely chopped
• 4 garlic cloves, minced
• ½ cup low-sodium chicken broth
• ¾ cup freshly grated Parmesan cheese
• 2 tablespoons olive oil
• 2 tablespoons unsalted butter
• ½ teaspoon freshly ground black pepper
• 1 teaspoon smoked paprika
• ½ teaspoon red pepper flakes (optional, for extra kick)
• ¼ cup fresh parsley, chopped, for garnish
• Salt to taste (start with ½ teaspoon)

Instructions

Step 1: Prep everything before the heat goes on

I always set myself up first with a little mise en place, and it genuinely changes the way this dish comes together. Slice the chicken into even strips, chop the onion, cut the peppers into thin ribbons, and mince the garlic. Measure your seasoning and grate the Parmesan while the skillet is still cold. Pat the chicken dry with a paper towel so it sears instead of steaming.

Step 2: Boil the pasta to al dente

Bring a big pot of well-salted water to a rolling boil, then drop in the pasta and cook it one minute shy of the package time. It will finish in the sauce and stay perfectly toothsome. Before draining, scoop out a full cup of the starchy cooking water and set it aside; this is my secret helper for a silky, clingy sauce later.

Step 3: Sear the seasoned chicken

Toss the chicken strips with about half of the Cajun seasoning until every piece is well coated. Warm a tablespoon of olive oil in a large skillet over medium-high heat, then lay the chicken in a single layer. Let it sit undisturbed for 3 to 4 minutes so a golden crust forms, flip, and cook another 3 minutes until the pieces reach 165°F (74°C) inside. Move the chicken to a plate and cover it loosely with foil.

Step 4: Build the base with peppers and onion

Do not wash the skillet, please — those golden bits stuck to the bottom are pure flavor gold. Add the remaining oil along with the butter, then tumble in the onion and peppers. Sauté for about 4 to 5 minutes, until the edges start to caramelize and everything smells sweet and jammy. Stir in the garlic and let it bloom for 30 seconds, just until fragrant.

Step 5: Bloom the spices and pour in the cream

Sprinkle the remaining Cajun seasoning, smoked paprika, and black pepper right over the vegetables and stir for 30 seconds so the spices toast in the fat. Pour in the chicken broth and use a wooden spoon to lift up every browned bit from the pan. When the broth has reduced by half, lower the heat and slowly stream in the heavy cream, stirring gently until it looks smooth and glossy.

Step 6: Bring it all together

Slide the chicken back into the skillet along with any resting juices, then add the drained pasta and half of the Parmesan. Toss everything together, splashing in the reserved pasta water a little at a time until the sauce coats each noodle. Finish with the remaining Parmesan, a pinch of red pepper flakes if you like more heat, and a generous shower of fresh parsley before serving.

Nutrition information

• Calories: 620 per serving
• Protein: 34 g
• Carbohydrates: 55 g
• Fat: 30 g
• Fiber: 4 g
• Sodium: 780 mg
• Serves: 4 to 6

Pro tips for the best creamy cajun pasta

• Use freshly grated Parmesan from a block; pre-shredded cheese contains anti-caking agents that keep the sauce from turning silky.
• Taste your Cajun seasoning first — some brands are much saltier than others, so hold back on added salt until the sauce is finished.
• Keep the heat on medium-low once the cream goes in; a hard boil can cause dairy to break and turn grainy.
• For a smoky variation, swap half of the chicken for sliced andouille sausage and stir it in with the peppers.

Frequently asked questions

Can I make this creamy cajun pasta with shrimp instead of chicken?

Absolutely. Season peeled, deveined shrimp with the Cajun blend and sear them for just 1 to 2 minutes per side. Pull them out early so they stay tender, then stir them back in at the very end with the pasta.

How do I make it less spicy for my kids?

Reduce the Cajun seasoning to 1 tablespoon, skip the red pepper flakes, and lean on the smoked paprika for warmth without heat. A little extra Parmesan on top mellows the spice beautifully.

What’s the best way to store and reheat leftovers?

Store the pasta in an airtight container in the fridge for up to 3 days. Reheat gently on the stovetop with a splash of milk or broth, stirring often until the sauce loosens back to its creamy consistency.

Can I make it dairy-free?

Yes, and it’s surprisingly delicious. Swap the heavy cream for full-fat coconut cream and use a dairy-free Parmesan-style shred. The coconut adds a subtle sweetness that plays nicely with the Cajun spice.

What should I serve alongside it?

A crisp green salad with lemon vinaigrette and a slice of toasted garlic bread are my go-to pairings. They balance the richness of the sauce and make the meal feel complete without a lot of extra effort.