Melt 75g butter and 2 tbsp golden syrup in a saucepan.
Weigh 150g of digestive biscuits...
... and bash them up!
Mix the crumbs into the melted butter and syrup, add 2 tbsp cocoa and 100g of bashed up maltesers.
Allow to cool slightly then add 50g of whole maltesers. (Or the rest of the box after you have sampled a few!)
Press the mixture down in a cling film lined container and leave to set in the fridge for 2 hours.