Roughly chop all the vegetables and place in a strainer over a bowl. Sprinkle and toss with the salt flakes and allow to drain for about 2 hours or longer.
Rinse off and pat dry using a paper towel.
Place vegetables into the Thermomix bowl and chop 3 sec/speed 6.
Add remaining ingredients except extra salt and cook 40 min/Varoma/Reverse/speed 1/MC off. Use the simmering basket on the lid to prevent spatter. Taste and adjust seasoning if necessary.
Pour into a hot sterilised jar and seal. Keep in the fridge until use.