Place all the ingredients in the Instant Pot or Slow Cooker (except for the cheese and rolls).
Using pressure cooker setting, seal and cook for 20 minutes. Or cook for 4-8 hours in the slow cooker on low.
Let in naturally depressurize for 10 minutes (Instant Pot only).
Release the steam and open the Instant Pot (Instant Pot only).
Scoop out the meat/veggies into the rolls.
Place the rolls on a cookie sheet and top with a slice of cheese per sandwich (cut in half)
Broil for about 5 minutes or until the cheese is nice and bubbly.
Enjoy! And feel free to dip the sandwiches in the leftover juice.