Creating Cajun Chicken Alfredo can be straightforward if you follow these simple steps:

1. Cook the pasta: In a large pot, bring salted water to a boil. Add the fettuccine and cook according to package instructions until al dente. Drain and set aside.
2. Season the chicken: In a mixing bowl, toss the diced chicken with Cajun seasoning until evenly coated.
3. Sauté the chicken: In a large skillet over medium heat, add a little olive oil. Once hot, add the seasoned chicken and cook for about 7-10 minutes, or until fully cooked and no longer pink in the center.
4. Make the Alfredo sauce: Reduce heat to low. Pour in the heavy cream and stir well, allowing it to heat through. Gradually add the grated Parmesan cheese, stirring continuously until the cheese has melted and the sauce is creamy.
5. Combine pasta and chicken: Add the cooked fettuccine directly into the skillet with the sauce, tossing to coat the pasta evenly. Add the cooked chicken and mix well.
6. Season to taste: Taste your dish and adjust seasoning with salt and pepper if needed. If you prefer extra spice, you can sprinkle more Cajun seasoning on top.
7. Serve hot: Plate the Cajun Chicken Alfredo and garnish with fresh parsley if desired.

These straightforward steps ensure a delicious Cajun Chicken Alfredo that you can prepare with minimal fuss while enjoying maximum flavor.