Given the task definition and input, reply with output. Given a text passage, come up with an appropriate title for it. The title should accurately represent what the main focus of the passage is. The title of a passage may be present in the first few sentences of the passage and/or be referred to multiple times in the passage. The title should be 1-5 words long.

The Reuben sandwich is an American hot sandwich composed of corned beef , Swiss cheese , sauerkraut , and Russian dressing , grilled between slices of rye bread . Several variants exist .
Reuben sandwich