1. Heat olive oil in a pan and cook chicken breasts until golden.
2. Remove chicken, let it rest, and slice thinly.
3. In the same pan, melt butter, add garlic, and sauté until fragrant.
4. Pour in heavy cream and bring to a simmer.
5. Stir in Parmesan cheese, salt, and pepper.
6. Add cooked pasta to the sauce and toss to coat.
7. Top with sliced chicken and garnish with parsley.