Croydon Steak House, CR0 1BE
The steak as you would suspect is great, as is the apple crumble.
The menu seems not to have been updated since the '70s — starters are things like tomato soup (the only thing we've found yet to not be great), liver pate, grilled sardines, egg mayonnaise. If you're not a fan of steak then the salmon is also recommended. Note that as of April 2012 there are no vegetarian main courses on the menu.