Wash and pat dry the pork loin. Spray a Pyrex dish with cooking spray and place pork loin in dish.
In a bowl mix up the rub: ground sage, salt, garlic powder, and onion powder. Rub it in well to the pork loin and set it in the refrigerator to “marinate” for about 30 minutes.
Preheat oven to 350 F.
Placed the pork loin, uncovered, in a 350 F degree oven for 2 hours.
Remove the pork loin from the oven and glazed with most of the jar of Peachy Piquant Jam, then covered with foil and placed back into oven for about 20 minutes.
Remove the pork loin from the oven and let rest for around 30 minutes.
Slice the loin and add a bit more Peachy Piquant Jam to serve.