The girl appears to take a bite of the waffle that the Waffle Nazi offers her. Immediately after, he turns it to face the camera and there is no bite in it.
As Chuck is bandaging her father's head his neck can be seen below the wrapping. It is clear that his neck is not decaying like the rest of his head.
When Olive and Ned are packing up to leave the contest, Olive's mic is visible taped to her chest.
All of the entries including Ned's icebox lemon pie appear to be intact on the judges' table when the blue ribbon is awarded. So how did the judges decide the winner?