Season your pork chops with the salt, pepper and paprika.
In a large skillet melt the butter over medium high heat and sear the pork chops quickly just to get a little color on them.
Place the pork chops in the slow cooker.
Top the pork chops with the onion.
Mix the apple butter with the apple cider vinegar and pour over the mixture.
Sprinkle the apple slices around the pork chops.
Cover and cook on low 6 hours or high for 4 hours.
Serve over rice or mashed potatoes.