12 x Mcvitie's Jaffa Cake Jonuts Biscuits. Jaffa combo but with a twist - soft donutty shaped sponge, tangy orangey filling, topped with a layer of crackly chocolate. This is the UK Law. 12 Light Sponge Doughnut Shaped Rings with Orange Flavoured Filling, Covered in Dark Crackly Chocolate.