Arby’s roast beef sandwiches have been a fast-food staple since the 1960s, with that distinctive taste and texture we’ve all come to recognize. I’ve been devouring these sandwiches since ...

Correction, Sept. 10, 2013: Because of an editing error, this post misstated that top round is used for pastrami and that navel is used for roast beef. It’s the other way around. ( Return to the ...

Roast in the lower third of the oven for about 2 hours, until an instant-read thermometer inserted in the center of the roast registers 125°. Transfer the roast to a cutting board and let rest ...