Make your favorite burrito, bowl or tacos at home with this easy Instant Pot™ barbacoa. It’s full of slow-cooked flavor without the day-long cook or barbecue pit! Expert tip: Can’t find beef stew meat? Substitute a 2 1/2- to 3-lb boneless beef chuck roast. Cut in 1 1/2- to 2-inch cubes, and trim off any large pieces of fat before browning.