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.
just enough to brush on all sides of the burger buns First, grill up your burgers to your liking. Keep them warm, as you prepare the grilled cheese buns. Place 3 slices of cheese between each bun.