Cajun Chicken Alfredo Pasta

Freshly grilled Cajun chicken strips and vibrant tri-color bell peppers rest atop creamy fettuccine Alfredo. Save
Freshly grilled Cajun chicken strips and vibrant tri-color bell peppers rest atop creamy fettuccine Alfredo. | recipesbyleanne.com

This dish features Cajun-seasoned chicken cooked to perfection alongside sautéed red, yellow, and green bell peppers. These ingredients combine with a smooth Alfredo sauce made from butter, cream, and Parmesan cheese, all tossed together with tender fettuccine. The balance of spicy seasoning, sweet peppers, and creamy textures creates a comforting and flavorful dish ideal for a satisfying dinner. Garnished with fresh parsley and extra Parmesan, it offers layers of taste with every bite.

The first time I made Cajun chicken Alfredo, my kitchen smelled like a restaurant kitchen. That spicy, aromatic blend hit before I even got the pan hot, and my roommate wandered in asking what I was up to. It was supposed to be a regular Tuesday dinner, but something about those bell peppers catching the right amount of char made it feel special.

I served this at a small dinner party last winter, and my friend Sarah literally scraped her plate clean. She kept saying she never thought spicy and creamy could work this well together. Now she texts me every time she makes it, usually with some variation of I nailed it or need more wine next time.

Ingredients

  • Chicken breasts: Pat them really dry before seasoning or the Cajun rub wont stick properly
  • Cajun seasoning: Homemade blend works best but store bought is fine if it is fresh
  • Fettuccine: Grab the high quality stuff, cheaper pasta breaks apart when you toss it
  • Bell peppers: Slice them thin so they soften up just right in the cream sauce
  • Heavy cream: Do not use half and half, it will not thicken the way you need
  • Parmesan: Freshly grated melts better, the pre shredded stuff has anti caking agents that ruin the texture
  • Smoked paprika: Optional but adds this subtle smoky depth that makes people pause and say wow

Instructions

Get the pasta going first:
Boil salted water and cook fettuccine until al dente, then drain but save some of that starchy water
Season the chicken well:
Pat the chicken completely dry, then press the Cajun seasoning into both sides firmly
Sear the chicken properly:
Heat oil in a hot skillet and cook chicken about 5 minutes per side until golden, then let it rest before slicing
Cook the vegetables:
In the same pan, melt butter and sauté peppers 3 to 4 minutes, add garlic for just 1 minute so it does not burn
Build the sauce:
Pour in cream, scrape up all the browned bits, simmer until it thickens slightly
Finish it all together:
Stir in Parmesan and spices until melted, toss in pasta with a splash of pasta water, add sliced chicken
Creamy Cajun Chicken Alfredo pasta featuring tender chicken, colorful peppers, and rich Parmesan sauce. Save
Creamy Cajun Chicken Alfredo pasta featuring tender chicken, colorful peppers, and rich Parmesan sauce. | recipesbyleanne.com

This recipe has become my go to when someone has had a rough week and needs a proper meal. Something about that creamy, spicy comfort just shifts the whole mood in the room.

Making It Your Own

Shrimp works beautifully instead of chicken, just cook them quickly so they do not get rubbery. Andouille sausage adds another layer of flavor that makes it feel even more Cajun inspired.

Wine Pairing

A crisp white like Sauvignon Blanc cuts through the richness nicely. If you prefer red, a light Pinot Noir works because heavier wines will overpower the cream sauce.

Make Ahead Strategy

You can slice the peppers and mix the seasoning blend up to 2 days ahead. The sauce and pasta are best made fresh, but leftovers reheat surprisingly well with a splash of cream.

  • Grate extra Parmesan while you are prepping, it saves time later
  • Keep your pasta water, you might need more than you think
  • Have everything measured before you start, the sauce moves fast once the cream hits the pan
Spicy Cajun Chicken Alfredo dinner plated with golden pasta and fresh parsley garnish, ready to serve. Save
Spicy Cajun Chicken Alfredo dinner plated with golden pasta and fresh parsley garnish, ready to serve. | recipesbyleanne.com

There is something about a dish that comes together this fast but tastes this special. Hope it becomes a regular in your rotation too.

Recipe FAQ

Coat the chicken breasts evenly with Cajun seasoning before cooking in olive oil over medium-high heat to achieve a golden, juicy result.

Sauté thinly sliced bell peppers with garlic until they soften slightly, enhancing their natural sweetness without losing texture.

If the Alfredo sauce becomes too thick, gradually add reserved pasta water while stirring until you reach your desired creamy consistency.

Yes, adding a pinch of cayenne pepper to the Cajun seasoning will provide extra heat without overpowering other flavors.

Substituting shrimp adds a seafood twist while maintaining the dish's robust taste and texture profile.

Cajun Chicken Alfredo Pasta

Savory Cajun chicken, bell peppers, and creamy Alfredo sauce toss with fettuccine for a flavorful meal.

Prep 15m
Cook 25m
Total 40m
Servings 4
Difficulty Medium

Ingredients

For the Chicken

  • 2 large boneless, skinless chicken breasts
  • 1 tablespoon Cajun seasoning
  • 1 tablespoon olive oil

For the Pasta

  • 12 oz. fettuccine pasta
  • Salt, for pasta water

For the Vegetables

  • 1 red bell pepper, thinly sliced
  • 1 yellow bell pepper, thinly sliced
  • 1 green bell pepper, thinly sliced
  • 2 cloves garlic, minced

For the Alfredo Sauce

  • 2 tablespoons unsalted butter
  • 1 cup heavy cream
  • 3/4 cup freshly grated Parmesan cheese
  • 1/2 teaspoon black pepper
  • 1/4 teaspoon salt
  • 1/4 teaspoon smoked paprika

Garnish

  • 2 tablespoons chopped fresh parsley
  • Extra grated Parmesan cheese

Instructions

1
Prepare the Pasta: Bring a large pot of salted water to a boil. Cook the fettuccine according to package instructions until al dente. Drain and set aside, reserving 1/2 cup of pasta water.
2
Season the Chicken: Pat the chicken breasts dry and coat them evenly with Cajun seasoning on all sides.
3
Cook the Chicken: Heat olive oil in a large skillet over medium-high heat. Add the chicken breasts and cook for 5–6 minutes per side, or until cooked through and golden brown. Transfer to a plate and let rest for 5 minutes, then slice into strips.
4
Sauté Vegetables: In the same skillet, add butter and melt over medium heat. Add the sliced bell peppers and sauté for 3–4 minutes until slightly softened. Add the minced garlic and cook for 1 minute more.
5
Create the Sauce Base: Pour in the heavy cream, scraping up any browned bits from the bottom of the skillet. Bring to a gentle simmer and cook for 2–3 minutes until slightly thickened.
6
Finish the Alfredo Sauce: Lower the heat and stir in the Parmesan cheese, black pepper, salt, and smoked paprika. Stir continuously until the cheese is completely melted and the sauce is smooth and creamy.
7
Combine Pasta and Sauce: Add the cooked pasta to the skillet, tossing to coat evenly. If the sauce is too thick, add reserved pasta water a little at a time until desired consistency is reached.
8
Add Chicken and Serve: Add the sliced Cajun chicken to the skillet and toss gently to combine. Serve immediately, garnished with chopped parsley and extra grated Parmesan cheese.
Additional Information

Equipment Needed

  • Large pot
  • Large skillet
  • Chef's knife
  • Cutting board
  • Tongs
  • Measuring cups and spoons

Nutrition (Per Serving)

Calories 620
Protein 38g
Carbs 58g
Fat 28g

Allergy Information

  • Contains milk (cream, butter, Parmesan cheese)
  • Contains wheat (pasta)
  • May contain gluten unless using gluten-free pasta
  • Double-check spice blends for hidden allergens
Leanne Porter

Home cook sharing easy, wholesome recipes and real kitchen wisdom for fellow food lovers.