be all tacos, soon america will want wraps. never happens. reporter: forget the golden arches. he believes he are living in the golden age of burgers. people have much higher expectations for what a hamburger can be. reporter: back at smash burger they re searing, smashing, salting every burger to order for hundreds of thousands of customers who come in every day. but cooking up a good burger isn t exactly easy. uh-oh. reporter: i only got half. but the taste fantastic. a smashing success. for nightline, i m linsey davis, in hackensack, new jersey. have to taste it to believe it. got to have a cheeseburger again. every time i see cheeseburger stories. the best. do you have a favorite chain? shake shack. i don t know if this can beat shake shack. you? bobby s burger palace. bobby flay, chef, one on jersey shore. it s awesome. better than shake shack? dare i say, maybe. i don t know. i will get a dirty look from