But is a Jaffa Cake actually a biscuit, asks David Edmonds. This question reheats a confectionery conundrum first raised in 1991. A tax is charged on chocolate-covered biscuits, but not on cakes.

But is a Jaffa Cake actually a biscuit, asks David Edmonds. This question reheats a confectionery conundrum first raised in 1991. A tax is charged on chocolate-covered biscuits, but not on cakes.

Among the famous people who think Jaffa Cakes are biscuits are cookery writer Nigel Slater, who once said: 'Jaffa Cake is a biscuit through and through'.

But is a Jaffa Cake actually a biscuit, asks David Edmonds. This question reheats a confectionery conundrum first raised in 1991. A tax is charged on chocolate-covered biscuits, but not on cakes.

A physicist has used the power of artificial intelligence (AI) to solve the age-old debate about whether Jaffa Cakes are biscuits or cakes. She says they're 'without a doubt cakes'.

It's an age old question: is a Jaffa Cake really a biscuit or a cake? News you can trust since 1873. Sign In. Subscribe. McDonald’s is launching a gold VIP card - this is how you can get one.