Break the cauliflower into florets, place in a bowl and sprinkle with salt. Cover and leave overnight. The following day, wash well and dry.
Put the spices, sugar and vinegar into a saucepan and bring to a simmer, stir until the sugar has dissolved.
Put the cauliflower into sterilised Kilner® Jars then pour over the warm vinegar until the cauliflower is completely covered. Seal and store for 1 week before tasting.