01 -
Heat olive oil in a large, deep skillet or Dutch oven over medium-high heat.
02 -
Pat chicken breasts dry and evenly coat both sides with Cajun seasoning, garlic powder, onion powder, smoked paprika, salt, black pepper, and red pepper flakes.
03 -
Place chicken breasts in the hot skillet and cook for 6–7 minutes per side until fully cooked and the internal temperature reaches 74°C.
04 -
Transfer chicken to a plate and rest while preparing the sauce.
05 -
In the same skillet, add minced garlic and sauté for 30 seconds until aromatic.
06 -
Pour in chicken broth, scraping up any browned bits from the pan with a wooden spoon.
07 -
Stir in heavy cream and bring the mixture to a gentle simmer.
08 -
Add uncooked fettuccine to the skillet, ensuring it is submerged in the liquid.
09 -
Cover with a lid and cook for 10–12 minutes, stirring occasionally, until the pasta is tender and most liquid has been absorbed.
10 -
While pasta cooks, slice the chicken into thin strips or bite-sized pieces.
11 -
When the pasta is al dente, stir in grated Parmesan cheese until the sauce becomes creamy.
12 -
Add the sliced chicken back to the skillet and mix to distribute evenly throughout the sauce.
13 -
Stir in chopped parsley and unsalted butter until melted and the dish is well coated.
14 -
Taste and adjust seasoning if needed. Serve hot, garnished with extra Parmesan and parsley if desired.