Line two 12 hole cake tins with cake cases. Add the butter, syrup and milk chocolate in a saucepan.
Melt these together until fully incorporated then allow to cool for a few minutes.
Add the chocolate mixture to the cornflakes and mix together until all the cornflakes are covered.
Once the cornflakes are covered, using a spoon. Spoon the mixture into the cases about three quarters full then add the mini eggs to the top and leave to set.