Bonafide Ribeye Sandwich Recipe Just when you think a ribeye steak couldn’t get any better….I’m going to turn you on to the “Ribeye Sandwich”. But this just isn’t any old, ordinary steak sandwich… I use choice ribeye steaks grilled to perfection; top them with sautéed sweet onion, baby portobello mushrooms, and melty provolone cheese – all served on Texas garlic …