Season the beef with Italian seasoning, salt, and pepper.
Turn your Instant Pot to sear mode and heat olive oil.
Brown the beef on all sides.
Turn off the Instant Pot, add beef stock, and scrape the bottom to deglaze.
Add tomato sauce, Worcestershire, onions, carrots, potatoes, and garlic.
Cook on high pressure for 35 minutes.
Let it naturally release for 10–15 minutes before opening.
Mix cornstarch with 2 tbsp water and stir in to thicken the stew.
Serve and enjoy!
