Line a 9 inch square tin with foil and lightly grease.

Empty condensed milk into large microwave bowl and break in the chocolate and 3/4 of the matchmakers.

Microwave for 1 minute then stir. Return to microwave and check at 30 second intervals.

Once melted give it a good stir and pour into prepared tin

Break the remaining matchmakers over the top. Press in slightly. Then chill for bout 3 hours.

Cut into 16 squares and serve