Grilling Tip #2: Oil the grilling surface. After your grill is hot, brush (do NOT spray!) some vegetable oil on the cooking grate. I use a squeeze bottle of canola oil, squirting oil on a folded paper towel - cover it well but not to the point of dripping - then I use my long handled steel bristle brush to move the oiled paper towel over the grill surface. This isn’t to add flavor or to keep food from sticking (Tip #5 below), this is to make clean up much, much easier when the grilling is done. When it’s clean up time, brushing the grill surface clean takes half the time if you pre-oiled the grate.