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One-Pot Cajun Fettuccine Alfredo Pasta

This One-Pot Cajun Fettuccine Alfredo is a spicy twist on a classic dish. Chicken breasts and spicy andouille sausage are topped with fettuccine pasta, coated in a rich and creamy sauce made with Cajun seasoning and topped with fresh herbs.

Tasty Team
96% would make again
One-Pot Cajun Fettuccine Alfredo Pasta


for 6 servings

  • 2 chicken breasts, sliced
  • 1 lb cooked andouille sausage (455 g)
  • 4 tablespoons olive oil
  • 3 cloves garlic, minced
  • 3 bell peppers, diced
  • 1 medium onion, diced
  • 6 cups milk (1.5 L), whole preferred
  • 1 lb fettuccine pasta (455 g), uncooked
  • ¾ cup parmesan cheese (80 g), plus more for serving
  • 3 tablespoons fresh parsley, chopped, plus more for serving

Cajun Seasoning

  • 1 teaspoon cayenne pepper
  • 1 teaspoon garlic powder
  • 1 teaspoon paprika
  • 1 teaspoon onion powder
  • 1 teaspoon dried oregano
  • 1 teaspoon dried thyme
  • 1 teaspoon salt
  • 1 teaspoon pepper

Nutrition Info

  • Calories 938
  • Fat 45g
  • Carbs 82g
  • Fiber 4g
  • Sugar 18g
  • Protein 51g

Estimated values based on one serving size.


  1. In a small bowl, combine all spices for the cajun seasoning and mix together. Set aside. Store any extra in an airtight container for future use.
  2. In a heavy bottom pot (such as a Dutch oven), heat 2 tablespoons of olive oil over medium heat.
  3. Add the sliced chicken and 2½ tablespoons of the prepared cajun seasoning.
  4. Add the andouille sausage and cook until the chicken is no longer pink, about 4-5 minutes.
  5. Remove the meat from the pot and add the remaining olive oil.
  6. Add the garlic, diced peppers and onions and cook until the onions are transparent and softened, about 5 minutes.
  7. Add the milk and stir so that the seasoning is incorporated into the liquid.
  8. Turn the heat to high and bring to a boil.
  9. Add the uncooked fettuccine, stirring constantly until the noodles are al dente, about 10 minutes.
  10. On low heat, add the meat back in and stir so that it’s evenly incorporated.
  11. Add the cheese and parsley, and stir. Remove from the heat.
  12. Enjoy!
  13. Don't just wing it -- plan it! Use our meal planner tool in the Tasty app. Download here.
One-Pot Cajun Fettuccine Alfredo Pasta