Heat an oven-safe skillet over medium-high heat.
Add 1 tbsp olive oil and cook the steak, garlic salt, and pepper.
Add the sliced steak to the skillet.
Sprinkle in the garlic salt and pepper. Stir to coat.
Allow the steak to fry until browned on all sides.
Place 4 slices of White American cheese on top and a layer of the steak and vegetables.
Repeat the layers and top with the remaining cheese slices.
Place the oven-safe skillet in the oven and bake for 22-24 minutes.