after the meat is removed from the pressure cooker, carefully drain out any excess oil. Add the stock to the pot, stirring and scraping the bottom of the pot of the stuck on brown bits. Those bits are full of flavor and will help enhance the sauce.
¼ Cup (59 ⅐ ml) stock
Turn off the saute mode of the pot and return the seared meat back to the bottom of the pot and sprinkle the au jus and ranch packets over the beef.
1 packet Au Jus, 1 packet Hidden Valley Ranch Dressing Packet
Add the pepperoncinis and the juice from the jar of the pepperoncinis, and top with cut up butter.
8 individual Pepperoncini, ¼ Cup (31 g) Pepperoncini liquid, 1 stick Butter
Close lid and set the steam release knob to the Sealing position. Press the Pressure Cook or Manual button (or use dial) then the +/- button to select 60 minutes. High Pressure.
When the cook cycle ends, let the Instant Pot sit undisturbed for 15 min to naturally pressure release. (NPR)
After the 15 minute release, turn off the pot and manually release the remaining pressure by turning the steam release knob to the Venting position.
When the pin in the lid drops back down, open the lid. Remove the cooked meat to a clean plate and make the liquid/drippings into gravy.