Preheat the grill to medium high heat. Spray the grill (heavily) with oil from
Olive Oil Sprayer so the burgers will not stick. Cook for about 5 min, then lightly spray each burger with oil before you flip them over. Carefully flip the burger and continue cooking until done (about 5 more min). It's important to cook the burgers to at least 165 degrees. You want them done, but you don't want the temperature much more than that or they will be dry.