Heat 1 tsp oil in a skillet over med; thinly slice onion + sauté 8-10 min until browned; season with salt + add 2 tbsp water; cover + cook 3-5 min until softened; stir in balsamic glaze

Heat 1 tbsp oil in a large skillet over high; add ½ beef in a single layer + sear 1 min, push steak to the side + repeat the process; sauté 1-2 min constantly stirring until hot, season with salt/pep + fave seasonings

Toast 1 baguette until warm + golden; slice in half + spread 2-3 tbsp cheese onto each

Divide beef + onions to sandwiches-Woah, that looks so good!