Jaffa Cakes are biscuit - sized cakes introduced by McVitie and Price in the UK in 1927 and named after Jaffa oranges . The most common form of Jaffa cakes are circular , 2 ⁄ inches ( 54 mm ) in diameter and have three layers : a Genoise sponge base , a layer of orange flavoured jam and a coating of chocolate . Jaffa cakes are also available as bars or in small packs , and in larger and smaller sizes . The original Jaffa Cakes come in packs of 12 , 24 or 36 .

Question: is jaffa cakes a biscuit or a cake
Answer: cakes