mini eggs , to decorate (or use 50g/2oz chopped hazelnuts)
100 g icing sugar, sifted
85 g butter , softened
300 g tub Philadelphia cheese
2 large eggs , lightly beaten
300 g caster sugar
1/4 tsp. bicarbonate of soda
250 g self-raising flour
1 tsp. vanilla extract
250 ml milk
140 g white chocolate,broken into pieces
250 g butter, plus a little extra for greasing