We Don’t Joke About Curds News | October 13, 2022 | 0 | by Morgan McCarthy The Curdergburger is back. Culver’s yesterday re-released the limited time cheeseburger with a massive cheese curd on top. The Curderburger started out as an April fools joke, but was added to the menu for real last year. It sold-out in a matter of hours. This time around, the Curderburger will be on the menu for almost three weeks, so there are plenty to go around.