When we lived in Oklahoma City, there was a chain of restaurants there called Del Rancho. Del Rancho boasts of being the home of the Original Steak Sandwich Supreme. Del Rancho has the most amazing Chicken Fried Steak Sandwich. A Chicken Fried Steak on a bun with lettuce, tomato and Mayonaise. The steak is always hot and fresh....usually so hot that you had to wait a minute to even eat it. There's nothing like it.
However, I have found something close. Sonic Headquarters is located in Oklahoma City. There is no doubt in my mind that Sonic's new steak and rings was somehow inspired by Del Rancho. Although the steak is not near as big and the bun has been replaced by Sonic's Texas Toast, the Sonic Steak Toaster is a great sandwich. The sandwich also comes with Lettuce, Tomato and Mayo.
The only problem is that the sandwich is only available for a Limited Time Only.