Preheat the oven to 350 degrees.
Spray the bottom of your baking dish with cooking spray.
Place your olive oil in a bowl and rub the pork chops in olive oil and then cover them with the barbecue rub.
Place the pork chops in the baking dish and cover with foil. Cook for 25 minutes.
Remove from the oven and cover the pork chops with barbecue sauce. Leave the baking dish uncovered and return to the oven. Cook for an additional 15 minutes.