Prepare the Ingredients:
Thinly slice the ribeye or sirloin against the grain.
Slice the onion and bell pepper (if using).
Sauté the Onions & Peppers:
Heat oil in a large skillet over medium heat.
Add onions and bell peppers, sautéing until soft and slightly caramelized.
Remove from skillet and set aside.
Cook the Steak:
Increase the heat to medium-high and add more oil if needed.
Cook the thinly sliced steak in batches, seasoning with Lawry’s Seasoned Salt and garlic pepper.
Brown the steak quickly, ensuring it stays tender.
Melt the Cheese:
Return the onions and peppers to the skillet, mixing with the cooked beef.
Lay cheese slices over the mixture and let them melt. Stir to combine.
Toast the Rolls:
Butter the inside of each hoagie roll and toast at 400°F for 5 minutes or until golden brown.
Assemble the Sandwiches:
Fill each toasted hoagie roll with the beef, onion, and cheese mixture.
Serve immediately while hot.