Philly Steak Sub Recipe. Add the butter to your cast iron skillet and heat on medium high. Place cooked steak in a steak roll.
Add the butter to your cast iron skillet and heat on medium high. Add the steak and brown well without moving for 3-5 minutes until a good crust forms. In skillet cook sliced onion and peppers in 1 Tbsp.
Add remaining tablespoon oil and cook steak until it has almost reached your preferred doneness about 5 minutes.
Cook on low for about 6-8 hours. Add the steak and brown well without moving for 3-5 minutes until a good crust forms. Add remaining tablespoon oil and cook steak until it has almost reached your preferred doneness about 5 minutes. Add onion and peppers.