Place biscuits into the TM bowl and crush by holding on Turbo for 5-10 seconds. Set biscuits aside.
Melt butter and broken up caramello chocolate on 50 degrees, Speed 3, 4-5 mins (scraping down the bowl occasionally).
Add biscuits, coconut and condensed milk to the bowl and mix on reverse Speed 3 for 1 minute (scraping down the bowl occasionally).
Stir through the chopped chocolate honeycomb.
Press into a standard sized rectangular slice tray (lined with baking paper) and refrigerate.
Break the block of milk chocolate into pieces and add it to the Thermomix bowl. Grate on Speed 5 for 10 seconds. Add the coconut oil. Melt on Speed 3, 4-5 mins (scraping down the bowl occasionally).
Refrigerate for 3 hours or until completely set and hardened.
Cut into slices.