Add the butter, milk and dark chocolate, and golden syrup. Stir every few minutes until melted. Remove from the heat and leave to cool for 5 minutes. Add the pecans, chocolate bars and biscuits to ...
Let the kids help breaking the chocolate and biscuits and stirring them in. Line a 20cm/8in square cake tin with a sheet of baking paper. Tip the condensed milk into a large microwavable bowl.