01 -
Preheat a large skillet over high heat and add 2 tablespoons of oil. Pat dry both sides of the chuck roast with a paper towel, then season lightly with salt and pepper.
02 -
Place the roast in the hot skillet and sear each side for 2 to 3 minutes until evenly browned to enhance flavor.
03 -
Transfer the seared roast to the slow cooker. Sprinkle the ranch dressing mix and onion soup mix evenly over the meat. Top with the stick of butter, then place the peperoncini peppers on and around the roast.
04 -
Cover and cook on low heat for 8 hours without lifting the lid to ensure tenderness and proper shredding texture.
05 -
Remove cooked meat from slow cooker and shred using two forks, discarding any large fatty pieces. Optionally chop the peppers and mix into the shredded beef before serving.