Whisk together all ingredients and pour into pressure cooker.
Unwrap your frozen pork loin and place it into your pot.
Close lid and steam valve and set to high pressure for 20 minutes followed by 20 minutes of natural releasing the steam.
Open lid, lift loin out and let it rest for 5 minutes before slicing.
Pour juice from pot on top once sliced and served with mashed potatoes or other sides.
