This Cajun Chicken Alfredo tastes like you ordered takeout, but it's all you, and you only need 9 simple ingredients! Juicy blackened chicken coated in bold and smoky Cajun spices, tossed with a creamy, garlicky homemade alfredo sauce and fettuccine. It's got just the right amount of kick, and it's on the table in under an hour. This one is on regular rotation in our house. 🤤

large enameled cast iron skillet with creamy cajun chicken alfredo and fettuccine in the pot, surrounded by parmesan, parsley, garlic, and a baguette.

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This Cajun Chicken Alfredo Recipe Beats Red Lobster's! 🍝

I worked at Red Lobster for years as a teenager, and I ordered lots of their Cajun Chicken Linguini Alfredo during my shifts. Half off on a hostess' wage meant I could stretch that into at least two meals, and sometimes I needed a break from seafood. 😂 It's popular for a reason, so naturally, when I started this blog in 2016, it was one of the first recipes I tried to recreate.

My dad lived in Baton Rouge, Louisiana, for years, instilling a major love of Cajun and Creole cuisine. Chamere has some family originally from New Orleans as well, so we love cooking a lot of Cajun food at home, like our Cajun seafood boil and this Cajun shrimp and grits! The key to great Cajun chicken alfredo is really simple, honestly. Layering flavors and using the right ingredients are really important.

Our homemade Cajun seasoning blend is salt-free, so you can be generous without oversalting. It beats store-bought by a long shot since you get that authentic Louisiana flavor with total control over the spice and salt level!

Freshly grated Parmesan is non-negotiable - pre-shredded has anti-caking agents that make your sauce grainy. Plus, the starchy pasta water makes the sauce cling to every strand instead of pooling at the bottom. These simple techniques took this from a solid weeknight dinner to legitimately better than Red Lobster's version. 🤤

🍝 Ingredients for Cajun Chicken Alfredo Pasta

You probably already have most of what you need! This recipe keeps things simple with pantry staples and fresh ingredients that deliver big flavor.

cajun chicken alfredo ingredients graphic with text to denote each ingredient.

How to Make Creamy Cajun Chicken Alfredo ✨

Don't let the restaurant-quality results fool you - this comes together in straightforward steps!

raw chicken seasoned with Cajun seasoning and salt.

Step 1: Season the chicken breasts liberally with the Cajun seasoning and kosher salt on all sides.

🌶️ Spice level: This recipe has a nice kick, but it's not blow-your-head-off spicy. If using store-bought Cajun seasoning instead of homemade, taste it first before adding extra salt - most brands include salt in the blend. Want more heat? Add extra cayenne pepper or red pepper flakes to the sauce.

blackened Cajun chicken breasts in a skillet.

Step 2: Preheat a large skillet over medium-high heat. Add the butter, then add the chicken. Sear on all sides until the internal temperature reaches 165°F with an instant read thermometer, about 5-6 minutes per side.

Once cooked, remove the chicken from the skillet and set aside to rest for 5-10 minutes before slicing. Don't drain those drippings! All that browned seasoning stuck to the pan is flavor gold.

💡 Let it rest: This brief rest helps the chicken stay juicy when you slice it. The juices redistribute instead of running out all over your cutting board.

While the chicken rests, cook your pasta. Bring a large pot of heavily salted water (about 1-2 tablespoons salt per gallon - it should taste like the sea!) to a rolling boil. Cook the fettuccine for 1-2 minutes UNDER the package instructions until it's al dente. The pasta will continue cooking in the sauce, so you want it slightly undercooked here.

Before draining, save at least 1 cup of pasta water. This starchy liquid is liquid gold for loosening the sauce and reviving leftovers!

enameled cast iron skillet with a little bit of broth and blackening seasonings with butter and garlic.

Step 3: Reduce the heat to medium. Add the remaining butter and a splash of chicken broth to the skillet. Add the minced garlic and cook, stirring often, until fragrant, about 1 minute.

pouring chicken broth into a skillet with seasonings and garlic.

Step 4: Immediately deglaze the pan with the rest of the chicken broth, scraping up all those browned bits from the bottom of the skillet. This is where so much of your flavor lives!

pouring cream into a spicy cajun broth in a skillet.

Step 5: Reduce the heat to low. Add the heavy cream and stir to combine.

⚠️ Low heat is your friend here! Once cream is in the pan, keep it on low and don't let it boil, or your sauce can break and separate. Just a gentle simmer.

creamy broth with parmesan cheese added in a skillet.

Step 6: Stir in the parmesan cheese slowly, adding small handfuls at a time and stirring to melt completely before adding the next handful.

🧀 Fresh parmesan matters: This is important! Pre-shredded cheese from the bag has anti-caking additives that prevent it from melting smoothly, and you'll end up with a grainy, lumpy sauce. Grate it yourself for silky results.

💡 Want it even thicker? Stir in 2-4 ounces of room temperature cream cheese for an ultra-creamy, thick alfredo sauce.

Step 7: Add the cooked pasta and a splash of pasta water, along with the fresh parsley.

cooked pasta tossed in creamy pasta sauce in a skillet.

Toss everything together, adding more pasta water a splash at a time until the sauce clings to the noodles without being dry or watery. You're looking for a glossy, clingy sauce that coats every strand.

💧 The pasta water trick: The starch in the pasta water helps emulsify the sauce and brings everything together. Don't skip this step!

Slice the rested chicken and arrange it over the top of the pasta. Sprinkle with extra parsley and freshly grated parmesan. Serve immediately while it's hot and creamy! 🤤

cajun chicken alfredo served with fettuccine.

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