Cook the rotini pasta according to package instructions until al dente; drain and set aside.
Season chicken breasts with salt and pepper.
Heat olive oil in a large skillet over medium heat.
Add chicken breasts to the skillet and cook for 6-7 minutes on each side until cooked through.
Remove chicken from the skillet and let rest before slicing.
In the same skillet, add minced garlic and sauté for 1-2 minutes until fragrant.
Pour in the heavy cream and bring to a simmer, stirring occasionally.
Gradually add the Parmesan cheese, stirring until melted and smooth.
Toss the cooked pasta into the sauce, ensuring it’s well coated.
Serve pasta topped with sliced chicken and garnish with fresh parsley.