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This simple Lemon Pepper Cajun Chicken Fettuccine Alfredo is a favorite with everyone. Classic, creamy fettuccini Alfredo with butter, garlic, and plenty of parmesan. Then topped with crispy lemon pepper cajun chicken. Every twirl of pasta melts in your mouth and the chicken adds a nice buttery, spiciness to every bite. It’s delicious.

overhead photo of pasta and chicken in a pasta bowl with a fork and herbs

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Sometimes you have those recipes that you just know you’re going to love. I feel like this fettuccine will be that recipe for many of you. Creamy Alfredo pasta mixed with spicy, buttery cajun chicken, it’s a combo we all can love. 

Simple, but wow, so good, and the chicken really does add so much flavor. What I said above really stands true, everyone loves this dish. 

Lemon Pepper Cajun Chicken on a cutting board with lemons

The inspiration 

Growing up my dad often made fettuccini alfredo on Friday or Saturday night. It was always a special night when he made it because he didn’t make it that often. Or well, just not as often as he made say tacos. My dad has made a lot of tacos. 

I loved alfredo night, it always felt so fancy to me. Looking back I didn’t realize just how simple it was, especially my dad’s Alfredo. He kept his basic with lots of butter, cream, and parmesan. He also added cream cheese, which made it extra rich. 

I wanted to see if I could improve on his old skool, classic pasta. We love anything involving a little cajun seasoning around here, so adding in some cajun chicken sounded perfect. 

Fettuccine Alfredo in skillet

The steps 

Before starting the chicken boil off the pasta. 

Next, toss the chicken in olive oil, homemade cajun seasoning (my recipe is in the notes), parmesan, and a big pinch of pepper. 

Sear up the chicken in a skillet with some butter until it becomes deeply golden and crisp. Then pour over some lemon juice and let it sizzle around the chicken.

Nothing fancy, but the smells coming from your skillet sure will be delicious. 

Now onto the pasta, this happens really quickly.

Use the same skillet you cooked the chicken in so you get all that yummy flavor. Add in a bit more butter and some garlic. Then pour in broth and milk (you can also use cream). I like to use broth and milk to create a still creamy pasta, but a pasta that has a nice amount of sauciness to it as well. It’s also a little lighter than using all cream or milk, so the alfredo isn’t quite as rich. 

Once the sauce has thickened, stir in the parmesan and pasta. I like to use linguine, but fettuccini is obviously great too.

And that’s it! Serve the chicken over steaming bowls of creamy pasta and top with additional parmesan and fresh parsley. Yummmm!

This recipe is all about the creamy sauce and that crispy cajun chicken. The sauce is buttery, a touch garlicky, and so creamy. And the crispy chicken…it’s a game-changer. Tender and delicious when thinly sliced and tossed in with the pasta.

It’s one of those chicken pasta dinners that feels like a dish you’d order at a restaurant. But it’s made at home and is even more delicious. Trust me. 

Cajun Chicken Fettuccine Alfredo in a pasta bowl with fork, very close up photo

Looking for other weeknight dinner recipes? Here are some favorites:

Sheet Pan Greek Garlic Butter Chicken and Potatoes

Cajun Garlic Butter Shrimp with Creamy Pesto Pasta

Oven Fried Southern Hot Honey Popcorn Chicken

Lastly, if you make this Lemon Pepper Cajun Chicken Fettuccine Alfredo be sure to leave a comment and/or give this recipe a rating! Above all, I love to hear from you guys and always do my best to respond to each and every comment. And of course, if you do make this recipe, don’t forget to tag me on Instagram! Looking through the photos of recipes you all have made is my favorite!

Lemon Pepper Cajun Chicken Fettuccine Alfredo

4.76 from 364 votes
6
calories 910kcal
Prep15 minutes
Cook15 minutes
Total30 minutes
Every twirl of pasta melts in your mouth and the chicken adds a delicious buttery, spiciness with every bite!
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Ingredients 

Instructions 

  • 1. Bring a large pot of salted water to a boil. Cook the pasta al dente, according to package directions. Drain.
    2. In bowl, toss together the olive oil, chicken, cajun seasoning, 2 tablespoons parmesan, and a big pinch of pepper.
    3. Melt 2 tablespoons butter in a large pan set over medium-high heat, add the chicken and sear until deeply golden on both sides, 5 minutes per side. Turn the heat off and pour over the lemon juice. Transfer to a plate.
    4. To the same pan, add 2 tablespoons butter, the garlic, and chili flakes. Cook 1 minute, until fragrant, then pour in the broth and milk. Whisk until smooth. Bring the sauce to a gentle simmer and cook 5 minutes, until slightly thickened. Stir in 1 1/2 cups parmesan, then toss in the pasta. Cook 2 minutes. Remove from the heat and stir in the parsley.
    5. Serve immediately topped with sliced chicken and parsley.

Notes

Homemade Cajun Seasoning: mix 2 1/2 tablespoons smoked paprika, 2 tablespoons garlic powder, 1 tablespoon onion powder, 1 tablespoon dried oregano, 1 tablespoon dried thyme, 1 tablespoon chili powder, 1 tablespoon cayenne pepper, 1 1/2 tablespoons kosher salt, and 1 tablespoon black pepper. Makes 3/4 cup. 

Nutrition

Calories: 910kcal

Nutritional information is only an estimate. The accuracy of the nutritional information for any recipe on this site is not guaranteed.

Did you make this recipe? Please rate & comment below.

Lemon Pepper Cajun Chicken Fettuccine Alfredo in pasta bowl with fork and herbs

Meet Tieghan Gerard

I'm Tieghan, the recipes you'll find here are inspired by the people and places I love most. I try to live simply, eat seasonally, and cook with whole foods. My hope is to inspire a love for amazing food, as well as the courage to try something new!

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4.76 from 364 votes (190 ratings without comment)

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555 Comments

  1. Tracey Martin says:

    Made tonight and it is delicious! But I’m not a very experienced cook and couldn’t get the sauce to thicken, tips?

    1. halfbakedharvest says:

      Hi Tracey,
      Thanks so much for giving the recipe a try!! Was there anything you may have adjusted? It may have just needed to simmer a bit longer:) xTieghan

  2. Penny Currie says:

    5 stars
    Loved it! The Cajun spice is yuuum! Was a hit at our house!

    1. halfbakedharvest says:

      Hey Penny,
      Happy Wednesday!! Thanks a lot for giving this recipe a try, I am so glad to hear it was enjoyed! xT

  3. Leah says:

    Hi ,this looks amazing & I will definitely try for my family however I’m vegetarian… How would I go about making the fettuccine Alfredo?
    Would it still work to just skip the whole chicken bit?

    Love your posts & recipes they’re really comforting this winter for me.

  4. Michele Mork says:

    5 stars
    I made this yesterday. Absolutely delicious. I’ve already passed the recipe on to my “gourmet cook gals”. Once again, your mixture of flavors was so delicious. I’m actually making this again tonight. Thank you Tieghan for another fabulous meal!

    1. halfbakedharvest says:

      Hi Michele,
      Happy Wednesday!! Thanks a lot for giving this recipe a try, I am so glad to hear it was enjoyed! xT

  5. Melinda says:

    4 stars
    This was really delicious. I don’t know if the lemon came through enough to really make a difference but it was a much much better version of Chili’s Cajun Chicken Pasta. I did have some problems with the sauce but I think it was because I tried to cut the recipe in half. Next time I’ll still cut the pasta in half but make all the sauce…who doesn’t want more sauce? The chicken was crispy and had lots of flavor. The pasta was divine. I served it with roasted asparagus. I only diverted from the recipe by using dried parsley since I didn’t have fresh and adding a splash of heavy cream to the sauce to make it a little richer. Divine.

    1. halfbakedharvest says:

      Hi Melinda,
      Happy Wednesday!! Thanks a lot for giving this recipe a try, I am so glad to hear it was enjoyed! xT

  6. Angel says:

    In video you add lemon juice after removing chicken, but the recipe reads to add lemon juice and then remove chicken? I followed the recipe and then watched video on insta. Just wondering which is correct or does it matter. My sauce was a bit brown.

    1. halfbakedharvest says:

      Hey Angelique,
      Either one is totally fine to do:) I hope you loved the recipe, thanks for giving it a try! xx

  7. Emily says:

    What % milk do you use? Always whole or will another work?

    1. halfbakedharvest says:

      Hi Emily,
      I like to use whole milk, but use what you like!! Let me know if you give the recipe a try, I hope you love it!! xTieghan

  8. Mitra Buicki says:

    5 stars
    Looks and sounds delicious. This will be my dinner tonight ??

    1. halfbakedharvest says:

      Hi Mitra,
      Thanks a bunch for giving this recipe a try, I am so glad to hear that it was a hit!! xTieghan

  9. Laura Diele says:

    Where would you add the cream cheese? That sounds like a wonderful addition!

    1. halfbakedharvest says:

      Hi Laura,
      I would add with the milk, make sure it is room temp and whisk it right in. Let me know if you give the recipe a try, I hope you love it!! xx

  10. Natasha Smith says:

    4 stars
    Made this tonight! So good!

    1. halfbakedharvest says:

      Hi Natasha,
      Thanks a bunch for giving this recipe a try, I am so glad to hear that it was a hit!! xTieghan

  11. Megan G says:

    5 stars
    This will be a staple recipe in our home. My husband is picky and eats smaller portions, but he went back for 3rds with this one! I did have trouble getting the sauce to thicken. I ended up putting flour and Parmesan in with the sauce instead of directly putting the cheese into the pasta. 5 stars!!

    1. halfbakedharvest says:

      Hi Megan,
      Thanks a bunch for giving this recipe a try, I am so glad to hear that it was a hit!! xTieghan

  12. Mary Hoffert says:

    Very tasty but my sauce didn’t thicken… also my cheese melted clumpy.. any advise?

    1. Melanie Bond says:

      4 stars
      Made this tonight and added some chopped kale during the sauce-simmering step for a bit of green. The Cajun spice mix is very good! I do feel like it needed the richness of cream instead of milk, as the sauce wasn’t creamy like alfredo should be. Still tasty though! I’ll definitely make it again.

      1. halfbakedharvest says:

        Hi Melanie,
        Thanks a bunch for giving this recipe a try, I am so glad to hear that it was a hit!! xTieghan

    2. Colleen says:

      I had the same issue. Was wondering what I did wrong that my cheese clumped up after I added in the cooked pasta. Thanks!

      1. halfbakedharvest says:

        Hi Colleen,
        Cheese can sometimes clump if it is super cold and then added to a hot pot.

    3. halfbakedharvest says:

      Hi Mary,
      Thanks so much for giving the recipe a try, so sorry to hear about the cheese. Did you grate your own cheese and make sure it was at room temp? That really helps prevent the clumping which will help to thicken the sauce. I hope this helps for next time!! xx

  13. Mal says:

    Any suggestions for making this for kids who SADLY despise spice?

    1. Chelsey says:

      If making your own cajun seasoning using her recipe, just omit the cayenne pepper. I have to do this for a spicy-hating daughter, and then add spice individually for the rest of us.

      1. Karen says:

        I don’t quite understand step #3 of the instructions . Do you pour the lemon juice over the chicken in the pan leaving the juice in the pan and then go onto step #4 adding the butter, the broth, the milk, etc?

        1. halfbakedharvest says:

          Hi Karen,
          You are going to pour over the lemon juice and then remove the chicken from the pan before moving to step 4. I hope this makes sense!! xTieghan

    2. halfbakedharvest says:

      Hi Mal,
      I would skip the red pepper flakes and then reduce the cajun seasoning. I hope you love the recipe, please let me know if you give it a try! xx

  14. Lu says:

    Do you put the spice mixture on the chicken before you sear the chicken?

    1. Earline says:

      Step 2; “In bowl, toss together the olive oil, chicken, cajun seasoning, 2 tablespoons parmesan, and a big pinch of pepper.” Perhaps part of this step was missing from an earlier version of the recipe.

    2. halfbakedharvest says:

      Hi Lu,
      Yes, you will do that in step 2. Please let me know if you give the recipe a try or have any other questions!! xx

  15. lynn says:

    Have you ever tried this recipe with a milk alternative like almond milk?

    1. Jaclyn Cuellar says:

      On other Alfredo recipes she’s mentioned that she loves using coconut milk sometimes. ? She says you can’t taste the coconut.

    2. halfbakedharvest says:

      Hey Lynn,
      That will work well for you! Let me know if you give the recipe a try, I hope you love it!! xTieghan

      1. Sheila Corcoran says:

        Hi Tiegan, what about coconut milk vs. Regular milk?

        1. halfbakedharvest says:

          Hi Sheila,
          Coconut milk will work for you!! Let me know if you give the recipe a try:)