Add the seasoned steak to the hot skillet. Cook for 2-3 minutes until it starts to brown
Heat a skillet or griddle over medium-high heat. Add 1 tablespoon of oil. Season the thinly sliced ribeye with salt and black pepper.
Sauté until they become soft and slightly caramelized, about 5-7 minutes.
Once the onions and peppers are ready, combine them with the cooked steak in the skillet. Toss everything together to combine the flavors.
Place slices of provolone cheese on top of the steak and vegetable mixture. Cover the skillet with a lid and let the cheese melt for about 1-2 minutes.
Split the hoagie rolls and lightly toast them. Spoon the cheesy steak and vegetable mixture into the rolls.
Serve your homemade Philly cheesesteak sandwiches immediately. Enjoy the delicious combination of flavors and textures.