Place cauliflower, onions and cucumber in the TM bowl and chop on speed 7 for 2-3 seconds.
Add water and salt and soak over night.
Cook vegetables for 15 minutes on 100C on speed 1 until vegetables are tender and then drain using the steaming basket.
Put vegetables back into the bowl and add the vinegar, sugar and spices.
Bring to the boil on 90C for 20 minutes on speed 1.
Mix cornflour with a little water to make a paste and pour through the hole while it is mixing on 100C for 5 minutes on speed 3.
Pour into sterilised jars and seal immediately.