01 -
Add the cream cheese, butter, cream of chicken soup, chicken broth, Italian dressing mix, and black pepper to a saucepan. Warm over medium-low heat, stirring often, until mostly smooth.
02 -
Lightly grease a 5- to 6-quart slow cooker. Place the chicken breasts in the bottom and pour the warm sauce evenly over them.
03 -
Cover and cook on low for 4-5 hours, or until the chicken reaches 165°F in the thickest part and is easy to pull apart.
04 -
Move the chicken to a plate. Whisk the sauce in the slow cooker until smooth, then slice or shred the chicken and return it to the sauce.
05 -
Cook the angel hair pasta in salted boiling water according to package directions. Reserve 1/4 cup pasta water, then drain.
06 -
Serve the chicken and sauce over hot angel hair pasta. Loosen the sauce with a splash of pasta water if needed, then top with parsley and optional parmesan.