Arby's Potato Cakes 2 Piece Menus, Arby's menusDecember 14, 2015Try the Potato Cakes 2 Piece (It's a cake of potato) or any of Arby's other delicious recipes at your neighborhood. Arby's Potato Cakes 3 Piece Menus, Arby's menusDecember 15, 2015Try the Potato Cakes 3 Piece (It's a cake of potato) or any of Arby's other delicious recipes at your neighborhood. Arby's Potato Cakes 4 Piece Menus, Arby's menusDecember 16, 2015Try the Potato Cakes 4 Piece (It's a cake of potato) or any of Arby's other delicious recipes at your neighborhood.