Instat Pot Por Roast

Ingredients: 3-4 pound chuck roast excess fat trimmed 1 teaspoon salt ½ teaspoon ground black pepper 1 tablespoon vegetable oil or olive oil 1 medium yellow onion diced 2 cups beef broth or beef stock 1 tablespoon tomato paste 1 tablespoon Worcestershire sauce 1 teaspoon dried rosemary 1 teaspoon dried thyme 2 bay leaves 1 pound baby potatoes halved 3 large carrots peeled and cut into thick chunks For The Corn Starch Slurry: 3 tablespoons corn starch mixed with 3 tablespoons of cold water Directions: Cut the beef into