Now this is pure comfort food with a kick. You’re combining two of the best things in the kitchen—a creamy, garlicky pasta and bold Cajun spice—into one dish that hits every note: smoky, spicy, rich, and deeply satisfying.
Here’s a restaurant-quality version you can make in under 45 minutes, with built-in tips to get that sauce silky and the chicken perfectly seasoned.
Cheesy Cajun Chicken Pasta Rotini with Garlic Cream Sauce
Serves 4 generously
Why Rotini Works
The tight spirals trap the cream sauce and little flecks of Cajun seasoning in every bite. Penne or fusilli are good substitutes, but rotini is the ideal texture for this.
Ingredients
For the Cajun Chicken
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1½ pounds boneless, skinless chicken breasts (or thighs for extra juiciness), sliced into thin strips
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1½ tablespoons Cajun seasoning (store-bought or homemade, see note below)
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2 tablespoons olive oil
For the Garlic Cream Sauce
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3 tablespoons unsalted butter
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6 cloves garlic, minced (do not skimp here)
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2 tablespoons all-purpose flour
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1½ cups heavy cream
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1 cup whole milk
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½ cup chicken broth
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1 teaspoon Cajun seasoning (for the sauce)
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½ teaspoon smoked paprika
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Pinch of cayenne (optional, for extra heat)
For the Pasta and Cheese
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12 oz rotini pasta
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1 cup freshly grated Parmesan cheese (not pre-shredded; it won’t melt smoothly)
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1 cup freshly grated sharp white cheddar or pepper jack (for more kick)
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Salt and black pepper to taste
For Serving (not just garnish, they’re ingredients)
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3 scallions, thinly sliced
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¼ cup fresh parsley, chopped
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Extra Parmesan for passing
Method
1. Season and Sear the Chicken
Toss the chicken strips with the Cajun seasoning until evenly coated. Heat the olive oil in a large, deep skillet or Dutch oven over medium-high heat. Sear the chicken in a single layer (work in batches if necessary) for about 4-5 minutes, turning once, until deeply golden and cooked through. Remove the chicken to a plate and tent with foil. Those browned bits on the bottom of the pan are flavor gold.
2. Boil the Pasta
In a large pot of heavily salted water, cook the rotini until just al dente (check 1 minute before the package directs). The pasta will finish cooking in the sauce. Reserve 1 cup of the starchy pasta water before draining.
3. Build the Sauce
In the same skillet you used for the chicken, reduce the heat to medium. Add the butter and let it melt, scraping up the browned bits with a wooden spoon. Add the minced garlic and cook for exactly 30-45 seconds, just until intensely fragrant—do not let it brown or the sauce will taste acrid.
Sprinkle the flour over the butter and whisk continuously for 1 minute to cook out the raw flour taste. Now slowly pour in the heavy cream, milk, and chicken broth, whisking constantly to prevent lumps. Bring to a gentle simmer. The sauce will visibly thicken in 2-3 minutes.
4. Make It Cheesy
Reduce the heat to low. Stir in the 1 teaspoon of Cajun seasoning, the smoked paprika, and cayenne if using. Add the Parmesan and cheddar a handful at a time, stirring until each addition melts completely before adding more. This low-and-slow approach prevents graininess. Taste and add salt carefully—both the Cajun seasoning and the cheese bring salt.
5. Marry Everything
Add the drained rotini and the rested chicken (along with any juices that collected on the plate) directly into the sauce. Toss thoroughly with tongs. The sauce will cling to the rotini. If it feels too thick, loosen it with a splash of the reserved pasta water, which also helps the sauce emulsify beautifully.
6. Serve
Plate immediately into warm bowls. Top generously with scallions, parsley, and a final dusting of Parmesan. The fresh herbs aren’t just color; they cut through the richness with a bright, clean bite.
A Note on Cajun Seasoning
Not all brands are equal. Some are mostly salt with a whisper of paprika; others are genuinely spicy. Taste yours before you commit. My quick homemade blend that works beautifully here:
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1 tsp smoked paprika
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1 tsp garlic powder
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½ tsp onion powder
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½ tsp dried oregano
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½ tsp dried thyme
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¼ tsp cayenne pepper (adjust to your heat tolerance)
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½ tsp black pepper
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¼ tsp salt
Variations
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Extra Veg: Sauté a sliced red bell pepper and a handful of sliced mushrooms after the chicken comes out of the pan. They’ll absorb the Cajun butter and add color.
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Andouille Addition: Slice cooked andouille sausage and sear it alongside the chicken for a jambalaya-pasta hybrid.
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Lighter Option: Swap the heavy cream and milk for evaporated milk (not sweetened condensed) and use half the cheese. The sauce will be thinner but still flavorful.
This dish reheats beautifully for lunch the next day—just add a tiny splash of milk when you microwave it to bring the sauce back to life.