Place the retigo Vision Express Grill tray into the oven with a solid gn tray underneath to catch any fat, set the oven to the above settings, when ready place the meat patties onto the retigo Vision Express Grill tray. 1 minute before the cooking finishes, place the cheese slices onto the top of the burgers. When cooking has finished, take out of the oven and build your burger. Serve with chips or french fries.