Instructions

1. Line a baking tray with greaseproof paper.
2. Melt the chocolate, golden syrup and butter in a bowl over simmering water. While it is melting, chop the crunchie bars up into chunks.
3. Mix together the chocolate mixture with the biscuits, marshmallow and Crunchie and smooth into a baking tray.
4. Melt the white chocolate and drizzle over the top.
5. Chill for about 2 hours before cutting into squares and serving.