Brush the grill or the patties lightly with the oil. To grill: Put the burgers directly over the fire. To broil: Put them on the prepared baking sheet and under the heat source. Cook, undisturbed ...
Shape the beef mixture into 4 (1/2-inch-thick) burgers. Grill the burgers for 10 minutes for medium or until desired doneness, turning the burgers over once halfway through the grill time.