Cut the chicken breast into bite-sized pieces.
Chop the onion and garlic.
Heat olive oil in a pan and sauté the chicken breast.
Once the chicken is cooked, add the chopped onion and garlic and stir-fry together.
Pour in the heavy cream and milk, and bring to a simmer.
Add the cooked pasta noodles and mix well.
Season with Parmesan cheese and black pepper.
Transfer to a plate and garnish with parsley.