Layer 1 bread slice with 1 tablespoon Secret Sauce 2 to 3 tablespoons caramelized onions 1 slice cheese 1 patty and another 1 tablespoon Secret Sauce. Light a grill over high heat.
In medium bowl mix all ingredients together.
Patty melts with secret sauce. Top with another bread slice. Repeat with remaining bread Secret Sauce caramelized onions cheese and patties. 16 hours agoMake the secret sauce.
Remove patties from skillet. Once the burgers are charred and firm move them to indirect heat and place a piece of cheese on each burger and let the burger patties sit over indirect heat until the cheese melts about 2 minutes and the internal temperature reaches 165ºF. Alternatively heat a grill pan over high heat.
Divide the ground beef into four equal patties that are slightly wider than the buns.