The classic roast beef sandwich contains a slice of roast beef, American cheese, and a slice of tomato on a sesame seed bun. The sandwich is prepared by toasting the bun, spreading the tomato on the bun, and then placing the roast beef on the tomato it is also a family favourite meal at Arby's and the horsey sauce will take this sandwich to the next level of taste. It is … [Read more...] about Arby’s Classic Roast Beef