Cook the fettuccine according to package instructions until al dente.
In a large skillet, heat olive oil over medium heat and add the sliced chicken breast.
Season the chicken with salt and pepper and cook until golden brown, about 5-7 minutes.
Add the minced garlic to the skillet and cook until fragrant, about 1 minute.
Pour in the heavy cream and bring to a simmer.
Stir in the grated parmesan cheese until melted and smooth.
Toss the cooked fettuccine into the skillet with the sauce, ensuring it's well coated.
Adjust seasoning with salt and pepper, then garnish with chopped parsley before serving.
