Marinate loin overnight or use selected rubs or spices
Preheat oven to 300 degrees F.
Cook loins fat side up and un-covered in pan for approximately 1.5-2 hrs. at 300 degrees F. or until meat temperature reaches 160 degree F.
Once meat reaches 160 degrees F. either take out meat and slice & serve or shut off oven and cover pan with lid or foil and leave in oven until ready to serve.