Instant Pot Braised Beef

1 tablespoon olive oil
1 ½ pounds stew beef
1 (14 ounce) can tomatoes, diced
1 ½ onion, medium, chopped
1 tablespoon tomato paste
2 tablespoons whiskey
1 carrot, chopped
2 garlic cloves, chopped
½ onion, medium, chopped
1 carrot, chopped
½ teaspoon oregano, dried
1 teaspoon salt
I teaspoon pepper
2 cups polenta, prepared

Heat Instant Pot (use Sauté function). Add oil. Sear beef on all sides. Add the tomatoes, tomato paste, whiskey, garlic, onions, carrots, oregano, salt, and pepper. Set Instant Pot to Meat / Stew function. Set the timer for 45 minutes. Serve over prepared polenta, adding cooking liquid to taste.