Arby’s Grub Isn’t Meaty Enough, Customer Says in False-Ad Suit

Arby’s was hit with a new lawsuit alleging its famous ads touting meaty sandwiches greatly exaggerate what’s actually served.

Ad photos of Classic Roast Beef, Smokehouse Brisket, and other fare make the sandwiches look like much, much more, according to the suit, filed Tuesday against Arby’s Restaurant Group Inc.

Arby’s uses props during photo shoots that position all the meat at the front of the sandwich, so it appears to have a more generous portion than what’s in the sandwiches provided to customers, Joseph Alongis alleges.

The chain also misrepresents the quality of the roast beef—ads show the meat as ...