Add the gravy mix, onion powder, garlic powder, broth, and pepper to your slow cooker. Give it a stir.
Add in the pork (submerge it in the liquid as best as you can).
Cook on high for 3-4 hours or low for 6-8 hours.
In a small bowl, mix the cornstarch and cold water together. Add it to your slow cooker, along with the cream. Let it cook for a few minutes until the sauce thickens up.
Notes
Feeds 4-6 depending on how much people eat.
You can sear the pork prior to adding it to the Crock-Pot if you wish.