A grater having a first grater panel and a second grater panel pivotally connected at the top with folding side walls connected to the sides of the first and second panels so that the grater is collapsible from a working configuration, where the bottoms of the first and second panels are set apart from each other and the side walls are unfolded, to a stored configuration, where the bottoms of the first and second panels are substantially together and the side walls are folded. A handle is placed at the top of panels and a bottom may be used to close the area between the first and second panels and the side walls.