Use a faux patty :Patty Melt. A patty melt combines the best attributes of a burger with the comforting meltiness of a grilled cheese: A thin hamburger patty, tons of Swiss cheese, caramelized onions, served on crispy rye bread, grilled in butter.
Mushroom and Provolone Patty Melts - Your family won’t believe this comforting sandwich is light. For the kids, use beef broth instead of beer, and try mild wheat bread. Slice mushrooms thinner, make burgers flat so mushrooms stay on burger.