Instant Pot Pot Roast is fall apart tender with veggies and a flavorful gravy. A complete dinner in your pressure cooker, ready in a fraction of the time.
Season beef generously with Italian seasoning, salt, and pepper.
Turn Instant Pot to Saute and add oil to inner pot. When oil is shimmering and display reads "hot", sear roast for 3-4 minutes on all sides. When it easily releases from the pot, remove and set aside on a plate.
Add onion and saute 2-3 minutes, stirring frequently, until translucent. Stir in garlic and tomato paste for 30-60 seconds, until fragrant.
Add red wine and deglaze the pan, scraping browned bits from the bottom. Stir in broth, vinegar, Worcestershire, and bay leaf; bring to a boil, then return beef to pot. Press Cancel, and place potatoes and carrots on top.
Secure and seal lid. Select Manual High and set the cook time for 60 minutes.
When the cook time is up, allow a 10-minute natural pressure release, then open valve to release any remaining steam. This can take up to 20 minutes.
Remove beef to a cutting board and rest for 5 minutes, Arrange potatoes and carrots on a serving platter and tent with foil to keep warm. Slice or shred beef as desired, then arrange it on the plate with the veggies and return foil to cover.
In a small bowl, whisk together cornstarch and cold water. On the Instant Pot, select the Saute setting. Bring the liquid to a boil, then stir in cornstarch slurry and cook 2-3 minutes, stirring frequently, until slightly thickened. Serve gravy with pot roast and veggies.