Line an 18cm x 28 cm rectangular slice tin with baking paper and set aside.
Crush biscuits using Turbo function until they resemble fine crumbs (about 5-10 seconds) and set aside until needed.
Chop licorice allsorts by hand (you can do this in the TM but it looks better if you slice them evenly with a knife).
Weigh the condensed milk, butter and golden syrup into TM bowl and melt for 3 minutes, 50 degrees, REVERSE, Speed 2, or until smooth.
Add the crushed biscuits, chopped licorice allsorts and coconut.
Mix together for 20 seconds, Speed 3 (REVERSE)or until well combined.
Transfer the mixture to prepared pan and press down to smooth surface.
In a clean Thermomix bowl, add the chocolate (which has been broken into squares and cook for 3 minutes, 50 degrees, Speed 2 or until melted.
Pour the chocolate over the slice and place into the fridge for two hours before cutting into slices.