There's a reason why & Duke is still around after 10 years of smashing Burgers - they're great! Did

There's a reason why & Duke is still around after 10 years of smashing Burgers - they're great! Did you know they have a secret, off-menu Burger hack?!??! #smashedburgers #njfoodies #njrestaurants #princetonnj #iloveburgers #njeats #poutine #munchmafia