Step1: Add 1/4 cup of water into the insert of your slow cooker then place the chuck roast on top.
Step2: Sprinkle the dry ranch seasoning mix on top of the chuck roast, then sprinkle the dry au jus mix on top, then place 6 tbsp. of butter on top of the roast, and finally 5-6 pepperoncini around the roast.
Step3: Cook on low for 8 hours.
Step4: Shred and serve with gravy.