Prepare the slow cooker by greasing it lightly.
Place the chicken breasts at the bottom of the slow cooker.
Sprinkle the ranch seasoning evenly over the chicken.
In a bowl, mix the cream of chicken soup and chicken broth until smooth.
Pour the soup mixture over the chicken in the slow cooker.
Add the pepperoncini peppers along with some of the juice for extra flavor.
Cut the cream cheese into cubes and place it on top of the mixture.
Cover the slow cooker and set it to low for 6 hours.
Once cooked, shred the chicken using two forks and mix it with the sauce.
Serve hot, garnished with fresh parsley.