Have You “Hurd?” The Curd Burger Returns News | October 4, 2022 | 0 | by Morgan McCarthy Culvers is bringing back a limited time menu item that started out as a joke. From October 12th through the 31st customers can get the Culvers CurderBurger, a butterburger topped with a disc of fried cheese. Culver’s originally released the burger as a joke on April Fool’s Day, but decided to release it for one day only last year. Now it’ll be available for over two weeks.