I found this recipe on the Thermomix forum I think... if I find it again I will post the link.
1 can condensed milk
250g Brown Sugar
65g Golden Syrup
125g butter, chopped
200g White Chocolate
1 teaspoon sea salt flakes
Add condensed milk, butter, brown sugar, glucose syrup & golden syrup to TM
bowl. Cook 100 deg for 8mins - speed 3-4. Give sides of bowl a quick scrape.
Cook for a further 20mins varoma temp - speed 3-4
Add chocolate - stir through 10-15secs - reverse - speed 3-4
Pour into lined slice tray. Smooth top & sprinkle with salt flakes. Set aside for
30mins then refrigerate till firm. Slice into small squares