Creamy Cajun Chicken Rotini with Mozzarella Alfredo Sauce is the kind of dinner I make when I want a bowl of pasta that feels rich, a little spicy, and actually filling. It’s rotini tossed with Cajun chicken and a silky Alfredo-style sauce that clings to every spiral.
The sauce is my favorite part here: it’s garlicky, extra creamy, and the mozzarella makes it pull together in a way that feels a bit cozier than classic Alfredo. Parmesan keeps it savory, and that little hit of Cajun seasoning in the sauce ties the whole thing together.
I like this as a weeknight dinner when I don’t want to think too hard, but it also works when you’re feeding a few people and want something everyone will actually eat. A simple salad or some roasted vegetables on the side is plenty.
Why You’ll Love This Recipe
Weeknight Friendly: It’s a straightforward pasta dinner, and the timing is realistic for a busy night.
Really Creamy Sauce: Heavy cream plus cream cheese makes the sauce smooth and thick without needing flour.
Big Cajun Flavor: The chicken is well-seasoned, and a little Cajun seasoning in the sauce keeps the flavor consistent all the way through.
One Skillet Finish: The sauce and chicken happen in the same pan, so cleanup stays pretty reasonable.
Easy to Adjust: You can keep it mild, make it hotter, or add vegetables without changing the basic recipe.
Ingredients You’ll Need
Pasta
- Rotini pasta: Rotini is great here because the sauce gets caught in all the spirals. Penne or fusilli work too if that’s what you have.
- Kosher salt: Salting the pasta water matters more than people think. It’s the only chance the pasta itself gets to taste seasoned.
Cajun Chicken
- Chicken breast: I cut it into small bite-size pieces so it cooks fast and stays tender. Chicken thighs are also a really good swap if you want it juicier.
- Cajun seasoning: Use one you already like, since they can vary a lot in salt and heat. I usually start with the listed amount and adjust at the end.
- Paprika: This adds a little warmth and color, and it plays well with the Cajun seasoning.
- Garlic powder: Helps season the chicken evenly without burning like fresh garlic can.
- Onion powder: Gives that rounded, savory flavor that makes the chicken taste “finished.”
- Black pepper: A little extra bite is nice with the creamy sauce.
- Salt: Add to taste, especially if your Cajun seasoning is already salty.
- Olive oil: Just enough to brown the chicken well in the skillet.
Mozzarella Alfredo Sauce
- Unsalted butter: I like unsalted here so I can control the salt level once the cheeses go in.
- Garlic: Fresh garlic is best here. It’s a quick cook, just until you smell it.
- Heavy cream: This is what makes the sauce thick and rich. Half-and-half works if you want it lighter, but the sauce won’t be as sturdy.
- Whole milk: Keeps the sauce from feeling too heavy while still staying creamy.
- Cream cheese: This helps the sauce come together smoothly and gives it that extra creamy body.
- Parmesan cheese: Freshly grated melts better and tastes less sharp than the shelf-stable kind.
- Mozzarella cheese: This is the “stretchy” cheese moment in the sauce. I prefer shredded low-moisture mozzarella for easy melting.
- Cajun seasoning: Just a little in the sauce is enough to pull the flavors together. Add more at the end if you want it spicier.
- Salt: Taste after the cheeses melt, then decide. Parmesan can bring a lot of salt on its own.
- Black pepper: A few cracks of pepper at the end keeps it from tasting flat.
Finish
- Fresh parsley: This is mostly for freshness and color. It’s worth it if you have it.
- Extra parmesan: I always serve this with a little extra at the table.
Recipe Instructions
- Boil the pasta: Bring a large pot of water to a boil, salt it well, and cook the rotini until al dente. Reserve about 1/2 cup of pasta water, then drain.
- Season the chicken: Toss the chicken pieces with Cajun seasoning, paprika, garlic powder, onion powder, salt, and black pepper until coated.
- Cook the chicken: Heat the olive oil in a large skillet over medium-high heat, then cook the chicken for about 6 to 8 minutes, until browned and cooked through. Transfer to a plate.
- Melt the butter: Reduce the heat to medium and melt the butter in the same skillet.
- Cook the garlic: Add the minced garlic and cook for about 30 seconds, just until fragrant.
- Whisk in the cream and milk: Whisk in the heavy cream and milk, then add the softened cream cheese and whisk until smooth.
- Simmer the sauce: Let the sauce simmer for 3 to 4 minutes, stirring often, until it thickens slightly.
- Add the cheeses: Stir in the parmesan and mozzarella and keep stirring until melted and smooth.
- Season the sauce: Season with a little Cajun seasoning, plus salt and black pepper to taste.
- Toss everything together: Add the drained rotini and cooked chicken to the skillet and toss until coated. Add reserved pasta water a little at a time if needed to loosen the sauce.
- Finish and serve: Simmer for 1 to 2 minutes, then remove from heat and garnish with chopped parsley and extra parmesan.
Some of my tips!
This is the part that really makes a difference. If you only read one section, make it this one because this is where I share the little trick that helps the recipe turn out so well.
Recipe Tips & Tricks
Cut the chicken small. Bite-size pieces cook quickly and stay tender. Big chunks tend to take longer and can dry out before the sauce is ready.
Don’t crank the heat for the sauce. Keep it around medium once the dairy is in the pan. If it’s too hot, cheese sauces can turn grainy.
Soften the cream cheese first. If it goes in cold, you’ll be chasing little lumps around the pan. Room temp (or a quick microwave softening) makes it whisk in smoothly.
Use the pasta water on purpose. Add a splash at a time and toss, then decide if you need more. It loosens the sauce without making it watery.
Taste before you add extra salt. Between Cajun seasoning and parmesan, you may not need much. I usually adjust at the very end.
Make some touches!
There are plenty of easy ways to serve this depending on the occasion. Keep it simple, or add a few small touches to make it feel a little more special.
Serving Suggestions
- Salad: A simple chopped salad with cucumber, tomato, and a tangy vinaigrette is nice next to this. I keep it pretty plain.
- Bread: Garlic bread or warm breadsticks are great for swiping up extra sauce. Even a basic crusty loaf works.
- Vegetables: Roasted broccoli, asparagus, or green beans are easy on the side. I like something with a little char.
- Extra heat: If you want it spicier at the table, add hot sauce or crushed red pepper. That way everyone can adjust their own bowl.
Save it for later
This section covers how to store leftovers and what parts of the recipe you can prepare ahead of time.
Storage and Make Ahead
Store leftovers covered in the fridge for up to 4 days. The sauce will thicken once it’s cold, which is normal for a creamy pasta.
For reheating, I usually add a splash of milk (or a little water) and warm it gently on the stove or in the microwave. Stir halfway through so the sauce loosens back up.
You can make this recipe ahead in a practical way by cooking the chicken and grating the cheeses earlier in the day. When it’s time for dinner, the sauce comes together quickly.
If you want it to last longer, you can freeze individual portions in airtight containers. Thaw in the fridge overnight before reheating, and expect the sauce to be a little less smooth after freezing.
A few quick answers
This section covers a few extra details that may help before you head to the recipe card.
Recipe FAQs
Can I use chicken thighs instead of chicken breast?
Yes. Boneless skinless thighs work really well here and stay juicier. They might take a minute or two longer depending on how big you cut the pieces.
How spicy is this Cajun chicken pasta?
It depends a lot on your Cajun seasoning. I’d call it medium as written, but you can easily make it mild by cutting back on the Cajun seasoning and skipping any extra heat at the end.
Can I add vegetables to this?
Absolutely. Sautéed bell peppers and onions are great with the Cajun flavor, and spinach wilts right into the sauce. Just keep an eye on the pan so you don’t overcrowd it.
What can I use instead of heavy cream?
Half-and-half works, and the flavor is still good, but the sauce will be thinner. If you go that route, simmer it a little longer and expect to use less pasta water (or none at all).
Why did my sauce turn grainy?
Usually it’s from too much heat once the dairy and cheese are in the pan. Keep the burner at medium or medium-low, stir often, and melt the cheeses gently.
You might also like
Before you go, take a look at a few other recipes below the recipe card. They use similar ingredients in a different way and are worth saving too.
MORE DINNER RECIPES TO TRY
Creamy Cajun Chicken Rotini with Mozzarella Alfredo Sauce
INGREDIENTS
Pasta
- 12 oz rotini pasta
- 1 tbsp kosher salt for pasta water.
Chicken
- 1.5 lb boneless skinless chicken breast cut into bite size pieces
- 2 tbsp Cajun seasoning
- 1 tsp paprika
- 1 tsp garlic powder
- 1 tsp onion powder
- ½ tsp black pepper
- ½ tsp salt to taste
- 2 tbsp olive oil.
Mozzarella Alfredo Sauce
- 3 tbsp unsalted butter
- 4 cloves garlic minced
- 2 cups heavy cream
- 1 cup whole milk
- 4 oz cream cheese softened
- 1 cup grated parmesan cheese
- 1.5 cups shredded mozzarella cheese
- ½ tsp Cajun seasoning or to taste
- salt to taste
- black pepper to taste.
Finish
- 2 tbsp chopped fresh parsley for garnish
- extra parmesan cheese for serving.
INSTRUCTIONS
Pasta
- bring a large pot of water to a boil and salt it
- cook rotini until al dente then reserve 0.5 cup pasta water and drain.
Cajun Chicken
- toss chicken with Cajun seasoning paprika garlic powder onion powder salt and pepper
- heat olive oil in a large skillet over medium high heat then cook chicken until browned and cooked through about 6 to 8 minutes and transfer to a plate.
Mozzarella Alfredo Sauce
- reduce heat to medium and melt butter in the same skillet then cook garlic for 30 seconds until fragrant
- whisk in heavy cream milk and cream cheese until smooth then simmer 3 to 4 minutes until slightly thickened
- stir in parmesan and mozzarella until melted and smooth then season with Cajun seasoning salt and pepper.
Combine
- add drained rotini and cooked chicken to the sauce and toss to coat adding reserved pasta water a little at a time if needed for a silkier texture
- simmer 1 to 2 minutes then remove from heat and garnish with parsley and extra parmesan.
