Instant Pot Beef Ragù with Pappardelle

Name: Instant Pot Beef Ragù with Pappardelle
Ingredients: 2 tablespoons olive oil; 1 (1 1/2-pound) boneless chuck roast, trimmed and cut into 2-inch pieces; 1 teaspoon kosher salt, divided, plus more to taste; 1 teaspoon black pepper, divided; 1 cup sliced yellow onion; 1 cup sliced fennel; 6 garlic cloves, crushed; 1 cup dry red wine (such as Cabernet Sauvignon); 1 (28-ounce) can whole peeled San Marzano plum tomatoes, crushed; 2 fresh bay leaves; 2 (4-inch) oregano sprigs; 1 large canned chipotle chile in adobo sauce; 12 ounces uncooked pappardelle pasta; Shaved Parmigiano-Reggiano cheese, for serving; Fresh small oregano leaves or chopped fresh flat-leaf parsley, for garnish