01 -
Place the boneless, skinless chicken breasts evenly in the bottom of the slow cooker.
02 -
Sprinkle the au jus gravy mix and ranch dressing mix evenly over the chicken.
03 -
Distribute the stick of salted butter over the seasonings, then add the peperoncini peppers on top.
04 -
Cover and cook on low heat for 6 to 8 hours without lifting the lid, allowing the chicken to produce its own juices.
05 -
Use two forks to shred the chicken directly in the cooker, then serve as desired.