Preheat the oven to 350 F.
Make sure that the meat is nice and clean prior to cooking.
Drizzle 2 tbsp of olive oil all over the pork chops and rub the oil all over the pork chops.
Season the meat, both sides, with the barbecue seasoning.
Place the meat into an oiled baked dish or roaster pan, then top the pork chops off with chopped onions.
Cover the bake dish, and bake for 25 minutes.
Remove the pork chops from the oven, and uncover them.
Pour the barbecue sauce all over the pork chops, and make sure all of the chops are nicely covered.
Leave the pork chops uncovered, and place them back in the oven for an additional 15 minutes.
Remove from the oven, and serve!