After realizing that people thought Arby’s mainly served roast beef, the company made a poster showcasing a large stack of all the meats on the menu, which includes bacon and brisket, according to The Washington Post. It worked. “People started coming in and asking, ‘Can I have that?’” Arby’s vice president of brand and corporate communications Christopher Fuller said. Arby’s decided to go with it, and the “Meat Mountain” was born. It will not be listed on the menu, but store associates will make it for the customers who request it. At $10, the sandwich includes (from the bottom up)...