01 -
Preheat a grill to medium heat. In a large bowl, gently combine the ground beef and salt. Form into 4 patties. Grill for 3-4 minutes per side, or until the desired doneness is reached.
02 -
In a small bowl, stir together the mayonnaise, chipotles in adobo, and lime juice. Set aside.
03 -
Melt 1 tablespoon of butter in a large skillet or on an electric griddle over medium heat. Place 4 tortillas on the griddle and top each with half the cheese. Place a burger on each cheese-topped tortilla.
04 -
Top each burger with a spoonful of the chipotle mayo, spreading it evenly. Divide the pico de gallo and shredded lettuce between the burgers.
05 -
Carefully remove the burger-topped tortillas from the skillet once the cheese has melted. Melt the remaining butter in the skillet and add the remaining 4 tortillas. Top each with the remaining cheese and cook until the cheese melts and the tortillas are crispy.
06 -
Place the cheese-topped tortillas, cheese side down, on top of the shredded lettuce-topped burgers. Serve immediately.