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

1. Cook the Pasta: In a large pot of salted boiling water, cook the fettuccine according to package instructions. Drain and set aside.
2. Season the Chicken: While the pasta cooks, sprinkle the Cajun seasoning evenly over both sides of the chicken breasts.
3. Heat Oil: In a large skillet over medium-high heat, add olive oil. Once hot, add the seasoned chicken breasts.
4. Cook Chicken: Sear the chicken for about 6-7 minutes on each side, or until cooked through and golden brown. Remove the chicken from the skillet and set aside to rest.
5. Sauté Garlic: In the same skillet, add butter and minced garlic. Sauté for about 1 minute until fragrant.
6. Make Alfredo Sauce: Pour in the heavy cream and chicken broth. Stir to combine, then bring to a gentle simmer.
7. Add Cheese: Gradually whisk in the Parmesan cheese until melted and the sauce is smooth. Season with salt and pepper to taste.
8. Slice the Chicken: While the sauce simmers, slice the chicken into strips.
9. Combine: Add the cooked fettuccine to the sauce, tossing until well coated. Add the sliced chicken on top.
10. Serve: Plate the dish and garnish with chopped parsley. Serve immediately and enjoy!

These steps will guide you in creating this incredible dish effortlessly. The combination of spices and creamy sauce will have everyone at the table raving!