Season beef on all sides

Add to instant pot saute on all sides for browning

Remove set aside

Add butter and olive oil

Sautee onions and celery

Add smashed garlic cloves

Add bouillon and tomato paste

Add worcester sauce, garlic paste, and bouillon powder

Add the beef back and add stock

Add au jus gravy

Set Pressure Cook High 1 hour 15 minutes

Remove the meat, Add potatoes (optional if serving with mash) and carrots

Pressure cook High for 8 Minutes, Meanwhile shred the roast.

If the broth is too liquidy, you can change the setting to saute and add a cornstarch slurry, add brown gravy or slow cooker beef stew.