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The Magical Slow Cooker » Recipes » Dinner » Slow Cooker Cajun Chicken Fettuccine Alfredo

Slow Cooker Cajun Chicken Fettuccine Alfredo

by Sarah Olson on June 23, 2022 | Updated November 11, 2023 205 Comments

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long image of cajun chicken fettuccine alfredo.
collage of cajun fettucine images with text of ingredients.
collage of cajun chicken fettuccine with text overlay for pinterest.

Creamy cajun chicken fettuccine alfredo is a perfect meal for any weeknight. You can make a homemade cajun alfredo sauce and tender chicken in the slow cooker, then add cooked fettuccine noodles to complete the dish.

If you are looking for a plain chicken alfredo recipe, try my crockpot chicken alfredo recipe.

Close up of cajun chicken fettuccine in slow cooker.

This slow cooker Cajun chicken fettuccine was one of those recipes that changed after the ingredients were bought. I had planned to make a dish called chicken lazone, but decided to add a few more Cajun seasonings, then add pasta and Parmesan cheese to the pot at the end of the cooking time, along with the cream.

Cajun chicken alfredo pasta is a great spicy recipe for pasta night! This pasta has a bit of a kick to it, mainly from the cayenne. It was a nice change from my regular pasta recipes.

Recipe Ingredients

Ingredients for cajun chicken fettuccine with text.
  • Chicken – Use boneless skinless chicken breasts for this dish. They shred up perfectly.
  • Seasonings – Make a homemade cajun seasoning blend with cayenne pepper, red pepper flakes, oregano, onion powder, garlic powder, paprika, salt, and pepper. You can add more cayenne pepper for a bolder cajun flavor.
  • Chicken broth – This is the base of the sauce and will help keep chicken breast moist during the cooking process.
  • Heavy Cream – Makes the dish creamy and helps thicken it, don’t use half and half or milk.
  • Parmesan Cheese – This adds flavor to the creamy alfredo sauce. You can use shredded parmesan cheese or grated parmesan cheese.
  • Fettuccine Noodles – A classic noodle for cajun chicken pasta.
How to add ingredients for cajun chicken and shred chicken in slow cooker.

Step One – Add the chicken broth to the slow cooker. Add the seasonings to the chicken broth and stir. Add the chicken breasts to the broth.

Step Two – Add the onion on top of the chicken.

Step Three – Cook on low for 6 hours.

Step Four – Shred the chicken with two forks right in the slow cooker.

How to add cream, noodles and parmesan to chicken in slow cooker.

Step Five – Add the heavy cream.

Step Six – Add the cooked and drained fettuccine noodles and a 1/2 cup of parmesan cheese.

Step Seven – Stir gently.

Step Eight – Add additional parmesan cheese, parmesan, paprika, and parsley (or oregano) on top—Cook for an additional 20 minutes. Serve the alfredo pasta with salad and bread sticks.

Variations

  • Shrimp – Add shrimp 15 minutes before the cooking time is done. Shred the chicken, add the cream and noodles and cook for the 20 additional minutes still. Make sure the shrimp is cooked through.
  • Andouille sausage – You can add one pound of sliced andouille sausage at the beginning of the cooking time.
  • Penne Pasta – You can use penne pasta instead of fettuccine noodles for a heartier noodle.
Fork in cajun chicken fettuccine in slow cooker.

Recipe FAQs

Can I use cajun seasoning?

You can use two teaspoons of cajun spice seasoning (such as Tony’s Chachere’s Creole Seasoning) instead of the different seasonings in this dish. Don’t add any more, for it can be on the salty side.

Why isn’t my creamy cajun pasta spicy?

Cayenne pepper loses its potency the longer it’s been on the shelf, or it can sometimes not be as spicy as other brands. You can add additional cayenne pepper after the dish is done cooking for more cajun spice.

Can I use cream cheese?

You can add a block of cream cheese to this dish instead of heavy cream. You can add it at the beginning of the cooking time or microwave it for 30 seconds before adding the dish at the end of the cooking time.

Can I add vegetables?

To make this a complete meal, add steamed broccoli or frozen peas to the pasta just before serving.

Plate of cajun chicken fettuccine.

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Fork in cajun chicken fettuccine in slow cooker.

Slow Cooker Cajun Chicken Fettuccine

4.78 from 170 votes
Tender chicken in a cajun spiced sauce cooked in the slow cooker with fettuccine noodles added.
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Course: Main Course
Cuisine: American
Prep Time: 25 minutes minutes
Cook Time: 6 hours hours
Servings: 8
Calories: 605kcal
Author: Sarah Olson

Equipment Needed:

  • Slow Cooker- 6 quart or larger

Ingredients:

  • 1 cup chicken broth
  • 1/4 tsp. cayenne pepper
  • 1/2 tsp. garlic powder
  • 1/4 tsp. onion powder
  • 1/2 tsp. dried leaf oregano
  • 1/4 tsp. red pepper flakes
  • 1 1/2 tsp. paprika
  • 1 tsp. salt
  • 1/4 tsp. pepper
  • 2 lbs. boneless skinless chicken breasts
  • 1 small white onion diced

Add at the end:

  • 1 lb. fettuccine noodles cooked according to package directions
  • 2 cups heavy cream
  • 3/4 cup parmesan cheese divided
  • dried parsley or oregano for garnish
  • paprika for garnish
US Customary – Metric

Instructions:

  • Add the chicken broth to the slow cooker, add the cayenne, garlic powder, onion powder, oregano, red pepper flakes, paprika, salt and pepper. Stir.
  • Add the chicken breasts and flip them around in the seasoned chicken broth to get the seasonings on the chicken.
  • Sprinkle the onions over the chicken and broth.
  • Cover and cook on low for 6 hours without opening the lid during the cooking time.
  • After the cooking time is done, shred the chicken with two forks right in the slow cooker. Add the heavy cream.
  • Add the cooked and drained pasta and a ½ cup of the Parmesan cheese. Stir.
  • Sprinkle over the remaining parmesan cheese. I added a touch more paprika and also parsley flakes to the top of my pasta to make it look pretty. Cover and cook for 20 more minutes. Cooking for a bit longer helps the sauce thicken from the gluten in the pasta.
  • Serve and enjoy!
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How to Video:

Sarah’s Notes:

  1. To make this a complete meal stir in steamed veggies into the pasta with the noodles at the end of the cooking time.
  2. You can add a block of cream cheese to this dish instead of heavy cream. You can add it at the beginning of the cooking time or microwave it for 30 seconds before adding the dish at the end of the cooking time.
  3. Cayenne pepper loses its potency the longer it’s been on the shelf or it can sometimes not be as spicy as other brands. You can add additional cayenne pepper after the dish is done cooking to taste.
  4. You can use two teaspoons of cajun spice seasoning (such as Tony’s Chachere’s Creole Seasoning) instead of the different seasonings in this dish. Don’t add any more, for it can be on the salty side.
 

Nutrition Information:

Calories: 605kcal | Carbohydrates: 45g | Protein: 37g | Fat: 30g | Saturated Fat: 17g | Cholesterol: 210mg | Sodium: 660mg | Potassium: 679mg | Fiber: 3g | Sugar: 2g | Vitamin A: 1590IU | Vitamin C: 5mg | Calcium: 175mg | Iron: 1.9mg

Nutrition info is auto-generated. This information is an estimate; if you are on a special diet, please use your own calculations.

Made this recipe?I want to see your photos! Tag me on Instagram @themagicalslowcooker

More great pasta recipes you may love:

  • Slow Cooker Baked Spaghetti
  • Slow Cooker Salsa Ranch Chicken Pasta – Recipe from the Country Cook
  • Slow Cooker Garlic Butter Pasta
  • Slow Cooker Pesto Mozzarella Chicken Pasta

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    796872 shares
    • 54482

    Filed Under: Chicken, Dinner, Most Popular Recipes, Pasta

    Comments

    1. beth says

      October 6, 2023 at 5:14 pm

      recipe was great but way too thick for me so added some pasta water & it was better

      Reply
    2. Sonia says

      September 15, 2023 at 3:07 am

      5 stars
      Very good, not heavy like an Alfredo. Just the right amount of spicy. .

      Reply
    3. Lauren says

      August 30, 2023 at 4:03 pm

      5 stars
      I absolutely loved this!!! Wondering how to make it a little more saucy. There wasn’t much sauce in mine

      Reply
      • Amy says

        October 28, 2023 at 3:53 pm

        I’m making this rn. But I’d suggest just add a bit more cream to it. Just kind of use your discretion, i always find the first time i make a recipe it’s good but sometimes not, that’s when you know what could’ve went wrong and just know for nxt time what ckuld be different.
        Ps I always turn my slow cooker on to warm up. Then u can start prepping aa it heats up. Also I always sear my meats before adding to the slow cooker. Adds amazing flavours! Won’t be disappointed.
        Hope this helped!

        Reply
    4. Chris says

      August 28, 2023 at 7:24 pm

      5 stars
      For those whose came out runny. Mine was a little runny. I’ll I did was put it in a large bowl, added more parmigiana reggiano and that solved the problem. Also for those who say it’s dry. I didn’t shred the chicken but cut it into chunks as it would eventually shred on its own. Came out great. Only thing I substituted was the cheese from Parmesan to parmigiana reggiano

      Reply
    5. Bailey says

      August 2, 2023 at 6:09 pm

      5 stars
      BEST PASTA EVER! We make it all the time

      Reply
    6. Ashling ann Dalton says

      June 11, 2023 at 3:44 pm

      How long would you cook it for on high? Thank you

      Reply
      • Sarah Olson says

        June 11, 2023 at 4:46 pm

        3.5- 4 hours.

        Reply
    7. Sarah Phillips says

      May 9, 2023 at 9:50 am

      5 stars
      This dish was incredible! So delicious and easy to throw together. I used the Tony’s Creole seasoning and found it not as spicy as I would like, so I definitely will add a bit of Cayenne Pepper as you suggested next time! Thanks for this gem of a recipe!

      Reply
    8. Brieanna says

      April 21, 2023 at 6:27 am

      Wondering how long the leftovers Last

      Reply
      • Sarah Olson says

        April 21, 2023 at 6:41 am

        About 3 days.

        Reply
    9. Rachel says

      March 16, 2023 at 4:32 pm

      Looks delicious! If adding shrimp, should they be the frozen/already cooked kind, or the frozen/raw kind? Would cooking time change with either option?

      Reply
      • Sarah Olson says

        March 16, 2023 at 9:32 pm

        I would use raw and thaw them. It’s hard to say how long they would take without testing, but most likely 20 minutes or so.

        Reply
    10. Anonymous says

      March 11, 2023 at 4:06 pm

      5 stars
      Looks delicious

      Reply
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