Pat’s King of Steaks Philly Cheesesteak

Directions

1. In a large skillet, saute the onion and, if desired, mushrooms and peppers in 3 tablespoons oil until tender. Remove and keep warm. In the same pan, saute beef in remaining oil in batches for 45-60 seconds or until meat reaches desired doneness.
2. On each roll bottom, layer the beef, onion mixture, cheese and, if desired, ketchup. Replace tops.