Method 1. Melt the butter and golden syrup in small heavy base saucepan.
2. Stir in the cocoa powder, digestives, and crushed Maltesers until well combined.
3. Allow to cool slightly, then stir through the whole Maltesers.
4. Line a 1lb Loaf tin with Cling film, pour in the mixture and press down well, but be careful not to crush the whole Maltesers.
5. Chill until set. About 2 hours.
6. Slice the chocolate malteser cake into chunky fingers and serve.