step 1
Grease and line a swiss roll tin.
step 2
Melt together the milk chocolate, butter and syrup.
step 3
Add crushed biscuits and whole maltesers to chocolate mix.
step 4
Press into tin and place in fridge to chill.
step 5
When mix is firm, melt the white chocolate and pour on top. Finally crush up the left over maltesers and sprinkle on top.