In a crockpot add in your chuck roast.
Over the chuck roast sprinkle in packet of
Au Jus Gravy and Hidden Valley Ranch Seasoning Packet.
Add in cubed butter on top.
Pour in about 8 oz of peperoncinis with the juice
Then put on the lid and cook on low for 8 hours or on high for 6 hours.
Serve over mashed potatoes. Enjoy!!!