Place broken up chocolate into Thermomix. Lid on 5 seconds at speed 9. Remove the chocolate and set aside for later use.
Add condensed milk, chopped butter, sugar, and glucose syrup to Thermomix. Place the lid on the Thermomix but not the MC. Cook for 8mins at 100C on speed 3.
Open the lid and scape the sides and bottom of bowl with spatula.
Cook for a further 20mins at Varoma Temp on Speed 3 without the MC.
Add the chopped chocolate, and both types of vanilla to the Thermomix. Combine for 10 secs on Speed 3-4.
Repeat this process until the chocolate has melted and is combined.
Pour the fudge into a lined square 20 x 20cm tin or slice tin, refrigerate until set.
Slice the fudge into squares.