Place the milk and tapioca in the TM and stir with the butterfly at 50C, reverse, for an hour.
Remove butterfly. Add the yolks, sugar and salt. Process in reverse speed 4 for 5 seconds to work in yolks and dissolve the salt and sugar.
Increase temperature to 90C and add butterfly. Cook for 40 minutes at speed 2, reverse.
Stir in vanilla and chill.