The Wholegreen Bakery: The Cardboard Cake

“Let them eat Cardboard?” In a twist on Marie Antoinette’s famous words, independent advertising agency The Hallway has teamed up with Sydney-based Wholegreen Bakery to create a deliciously edible, Coeliac-Australia-accredited Cardboard Cake that will have gluten-free sceptics eating their words. Literally.