Line a 9×9" square baking tray with parchment paper
Mix the biscuits, maltesers and raisins in a large bowl
Melt the golden syrup and butter gently in a pan on a low-medium heat
Turn the heat off and add the chopped chocolate and stir until the chocolate has melted
Pour the chocolate/syrup mix on top and mix
Press down into the lined tin
If you want, decorate with extra melted chocolate and maltesers
Leave to set in the fridge for 3-4 hours
Once set, carefully remove from the tin and cut into your pieces
