Chocolate truffle fudge cake

250g butter
55g caster sugar
2tbsp milk
2tbsp golden syrup
1tbsp cocoa
2tbsp drinking chocolate
500g digestive biscuits,crushed
75g chocolate cake crumbs
60g glace cherries
75g raisins
250g dark chocolate

Melt butter,sugar,milk and golden syrup over a gentle heat in a large pan.Once the sugar as dissolved,add cocoa,drinking chocolate and half the biscuits.Mix well and then add all the remaining ingredients except the dark chocolate.Press the mixture into a 20cm/8in square tin.Melt the dark chocolate over a pan of boiling water.Once done,spread it over the biscuit base and leave to set.This should make 30 small bars.