This is a really easy birthday ... the cake, line the base of a deep 20cm/9in cake tin with non-stick paper and preheat the oven to180C/350F/Gas 4. Melt the butter over a low heat in a small ...

It's a big day, so trust Mary Berry to make the perfect chocolate birthday ... cake with apricot jam. Sandwich the cakes with a third of the ganache, then spread another third on top. Take a small ...