Instructions
Cook time: 15 minutes
Heat 1 tsp oil in a skillet over high; pat meat dry, season with salt/pep + sear undisturbed 2 min; flip + cook, turning often, 1-2 min until browned (meat keeps cooking after being removed, be sure not to over cook for best results); set aside
Heat 1 tsp oil in skillet over med + thinly slice half onion; sauté 8-10 min until browned, season with salt + add ¼ cup water; cover + cook 3-5 min until softened
Turn off heat; divide onions + place 1 slice cheese on top of the 2 portions, cover for 1-2 min
Toast 2 buns until warm + golden, then assemble sandwiches; carefully transfer onions/melted cheese with a spatula onto each bun + top with meat

