Bring a large pot of salted water to a boil. Cook the fettuccine according to the package instructions.
While the pasta is cooking, melt the butter in a large skillet over medium-high heat. Add the chicken and cook until golden brown, about 8 minutes. Remove the chicken from the skillet and set aside.
Add the garlic to the skillet and cook until fragrant, about 1 minute. Add the heavy cream, cream cheese, and Parmesan cheese. Cook, stirring constantly, until the sauce is thick and creamy, about 5 minutes.
Add the cooked chicken to the skillet and stir to combine. Add the cooked fettuccine to the skillet and toss to coat with the sauce. Season with salt and pepper to taste.
Garnish with chopped parsley and serve immediately.
Interesting Facts
This dish is a great way to use up any leftover cooked chicken.
You can substitute the fettuccine with any type of pasta you like.
Adding cooked bacon to this dish is a delicious variation.